Solving environmental problems in South America. Environmental protection and environmental problems in Latin America. South America is in the grip of global problems. Basic geographic information

Global problems of our time

Remark 1

A number of planetary problems that cannot be solved by the forces of only one country have been called global. Their feature is the complexity, consistency, universality, which is provided by the unity of the modern world and the strengthening of world relationships. Conventionally, global problems are divided into $4$ groups - socio-political, socio-economic, socio-environmental, social and humanitarian.

Socio-political problems related to peace and international security. If for a long time the basis of international security was nuclear deterrence, then in modern conditions it became clear that nuclear war will never be a means to achieve foreign policy goals. Together with the peoples' hope for a secure world, new sources of instability have emerged - the growth of international terrorism. The countries of the world have accumulated huge stocks of weapons capable of destroying the planet several times, so the problem of disarmament is acute. The solution of social problems in developing countries is hampered by the rate of military spending, which exceeds the rate of economic development. In order to begin disarmament, which in itself is a lengthy process, all parties must abide by certain principles.

Their essence is as follows:

1. Equality and equal security;
2. Fulfillment of all contractual obligations and agreements;
3. Disarmament Control System;
4. Comprehensive character, continuity and effectiveness of disarmament measures.

IN socio-economic The main problems are the problem of economic backwardness, the demographic problem, the food problem. Today, there is a huge gap between developing and developed countries in all socio-economic indicators. The problem of backwardness is related to the fact that they cannot establish efficient production and provide themselves with food. These countries are not able to eliminate poverty and solve social problems on their own. The division of the world into rich and poor is deepening and creating tension between countries.

Economic backwardness is the cause of two more problems - demographic and food. The "population explosion" has led to an increase in the number of the planet to $ 7 billion people. The demographic situation leads to negative consequences - an uneven distribution of people in relation to life resources, a negative impact on the environment, overpopulation in a number of countries, an increase in poverty and a deterioration in the quality of life. The current danger of destruction of the natural environment has led to social and environmental problems.

1. Air and water pollution;
2. Climate change of the planet as a whole;
3. Deforestation;
4. The disappearance of many species of flora and fauna;
5. soil erosion;
6. Reducing the area of ​​fertile land;
7. Ozone holes;
8. Acid rain, etc.

By themselves, environmental problems will not disappear, their solution involves the development and implementation of programs for the protection of nature not only at the national, but also at the regional and international levels. Environmental policy should become an integral part of the domestic and foreign policy of all countries of the world. Environmental policy will be effective provided that environmental legislation is created, which provides for liability for violations and a mechanism for punishing non-compliance with the legislation. Environmental issues are in the center of attention of such international organizations as the UN, UNESCO, etc. The development of protection programs is in the field of their activity. environment at the international level, carrying out environmental activities around the world. They create systems of international control over the state of the natural environment, environmental education. In many countries of the world, environmental organizations and movements are emerging that also contribute to the protection of the environment. Their activities are gaining significant scope throughout the world. A wide range of issues also covers social and humanitarian problems directly related to man.

This is, first of all:

1. Material and spiritual insecurity of life;
2. Violation of the rights and freedoms of a person;
3. Mental and physical ill health of a person;
4. Suffering and grief from wars and violence, etc.

All ethnic conflicts, local wars, natural disasters have one result - humanitarian catastrophes, the consequences of which can only be eliminated by the combined efforts of the world community. Every year, the increasing flows of refugees create enormous difficulties for all countries.

Remark 2

All global problems are closely interconnected and go to the person. The very existence of human civilization is under threat, and this prompted the scientists of the world to join their efforts in search of solutions. global problems. For this purpose, the Club of Rome was created in $1968$. It is an international non-governmental organization that brings together scientists, political and public figures from a number of countries around the world. This organization was founded by the Italian economist, businessman and public figure A. Peccei.

Environmental Issues in Latin America

The diverse natural resource potential of Latin America and intensive use of natural resources have turned into ecological situations for many countries in the region. The causes of environmental troubles were the peripheral position in the world economy and the high dependence on foreign capital. Rational nature management is associated with the protection of the national interests of Latin American countries.

To date, $80$% of industrial pollution is associated with the use of fuel and energy resources. Oil refining and petrochemistry are the most dangerous branches of production from the ecological point of view. In Brazil, the Camasari district has become the dirtiest, where a large petrochemical complex has been built. Such areas, where there is a concentration of hazardous production, are called the "valley of death." Development nuclear energy increases the risk of radioactive contamination.

Another problem comes to the surface - the disposal of toxic waste from developed countries in Latin America. Moreover, burials are already underway in Brazil, Argentina, Peru. Air pollution with harmful compounds – oxides of carbon, sulfur, nitrogen has a negative impact on human health. The share of atmospheric pollution by vehicles is large and its share, for example, in Buenos Aires, Mexico City, Santiago, is $70$%. Forest fires contribute to air pollution. Discharges of industrial waste contribute to the poor condition of water basins. The problem of water is very acute, for example, in Buenos Aires, where $90% of industrial enterprises do not have wastewater treatment plants. There is a catastrophic pollution of the tributaries of La Plata, on the banks of which industrial enterprises are located, but the water of the river is also used for the domestic needs of the townspeople. The water problem in Latin America is very acute.

Factors that caused it:

1. With the growth of population and cities, water availability per capita is decreasing;
2. Deforestation, climate change;
3. Dumping of untreated waste reduces water quality;
4. Outdated institutional and legislative structure.

The region has large reserves of arable land and ranks third in the world in terms of their degradation, which is associated with erosion.

The main problems in this area are:

1. Erosion leads to the reduction of agricultural land;
2. Change of land use types;
3. Compaction, pollution, removal of nutrients leading to degradation;
4. Unequal and unfair distribution of land;
5. Lack of land rights.

Excessive intensification of agriculture leads to the loss of nutrients. As a result, the soil loses its productivity, further exacerbating the problem of poverty. The introduction of fertilizers, pesticides, the use of new technologies, of course, increase the volume of production, but significantly worsen the state of the environment. The use of fertilizers leads to an increase in nitrogen compounds in the soil and in water.

Remark 3

Salinization is a special form of soil degradation, and since the fight against this phenomenon is very difficult, the salinization process can lead to desertification. In Argentina, Brazil, Mexico, Peru, Chile $18.4 million hectares of land are subject to salinization. Dangerous environmental consequences, even greater soil erosion, are associated with deforestation for pastures and the creation of livestock farms. Forests, for example, for the Caribbean countries, perform an important socio-economic function.

The function of scaffolding is as follows:

1. The forest in the Caribbean is not only a source of domestic consumption, but also of exports. Indigenous peoples, thanks to the forest, maintain their traditional way of life;
2. The forest is a supplier of natural products, it performs the function of preserving the environment, protecting against natural disasters;
3. Forest preserves river basins, protects against erosion and absorbs carbon dioxide.

Forest area in the Caribbean is $1/4$ of the planet's forest area and contains more than $160 billion cubic meters. m of wood. This is $1/3$ of the world's reserves. The deforestation in the region is the highest in the world and amounts to $0.48% annually, and over the past $30 years, out of $418 million hectares of forests, Latin America accounts for $190 million hectares. Forests are especially vulnerable during fires. This natural disaster could destroy up to $50% of the forest biomass on the surface. Particularly strong fires were noted in Central America in $1988$. The fires that broke out covered an area of ​​more than $2.5 million hectares. The most catastrophic they were in Honduras, Guatemala, Mexico, Nicaragua. $14,445 in fires have been reported in Mexico alone.

Activities of states in solving environmental problems

Until relatively recently, the environmental problems that arose in the region, the states of Latin America practically did not pay due attention to their solution. Such an attitude led to uncontrollable consequences - deforestation over vast areas, a decrease in the gene pool of fauna, soil erosion, acid rain, etc. The huge urban agglomerations of the region suffer especially hard. I must say that in recent years, more attention has been paid to environmental issues.

1. In Brazil, the legislative framework and forestry management have been improved;
2. Land degradation issues have been discussed in regional and international forums over the past decades;
3. By decision of the UN, a Regional Coordinating Council for Latin American and Caribbean countries was created. Its task was to coordinate the preparation and implementation of national follow-up programs;
4. A number of Latin American countries have adopted new forestry regulations. For example, in $1996$, Bolivia adopted a new forest law (Law $1700$). Based on this law, state forests can only come into the hands of private companies when the local and indigenous people are involved in this process;
5. The Amazon Pact is an example of sub-regional mechanisms that pave the way for new agreements and monitoring. All activities are aimed at preventing the degradation of soil resources in the region;
6. The Central American Council operates in the field of forests and protected areas. It performs the function of an advisory body in the field of policy and strategy for the sustainable use of forest resources, biodiversity conservation;
7. Eight states signed an agreement on cooperation in the Amazon for development joint activities in this region.

Remark 4

The struggle to protect nature is gaining momentum - environmental legislation is developing, the social movement of the greens is expanding. This movement is especially widely represented in Brazil, Mexico, and Argentina. The region is creating state organizations on environmental issues.

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Slides captions:

SOUTH AMERICA GENERAL REVIEW ON THE THEME "NATURE OF SOUTH AMERICA"

The purpose of the lesson: Repeat and summarize the theme of the mainland "South America"; consolidate knowledge on the topic

Tasks: 1. To continue the formation of the idea of ​​the integrity of the nature of the mainland. 2. To develop imaginative thinking, speech, the ability to highlight the main thing, the ability to work with a map, to summarize the material. 3. Develop the ability to listen and analyze the answers of a friend. 4. Shaping logical thinking students. 5. Development of computer skills, Internet resources.

GEOGRAPHICAL POSITION OF THE MATERIN EXTREME POINTS: NORTHERN SOUTH WESTERN EASTERN TASK No. 1 INDICATE ON THE OUTLINE MAP

FROM THE HISTORY OF DISCOVERY AND RESEARCH OF THE MATERIAL ASSIGNMENT №2

Christopher Columbus - 1492 - discovered America

Amerigo Vespucci - took part in 2 expeditions. He was the first to describe open lands.

Alexander Humboldt - German geographer -18-19 centuries studied the nature of the continent.

Vavilov N.I. - Russian botanist established the centers of ancient centers of agriculture. (1923-1933)

TASK №3 WHY IN THE WEST THE MATERIAL OF THE MOUNTAIN, AND IN THE EAST-PLAINS?

Snow avalanche (May 1970) killed 25 thousand people

Earthquakes in the Peruvian Andes

brazilian plateau

RELIEF OF SOUTH AMERICA TASK №4 MARK LARGE FORMS OF RELIEF ON C / C

CLIMATE TASK №5 WRITE CLIMATE AREAS: A) TROPICAL BELT B) SUBTROPIC C) MODERATE

INLAND WATERS

TASK №6 Designate the largest rivers on the c / c

Waterfalls TASK №7 NAME THE WATERFALLS OF THE MATERIAL. ON WHAT RIVER SYSTEMS ARE THEY LOCATED?

TASK #8? LAKES OF THE MAINLAND WHAT ARE THE NAMES, WHERE ARE THEY LOCATED?

LAKE TITICACA

NATURE OF SOUTH AMERICA

NATURAL AREAS TASK №9 WHAT IS THE IMPORTANCE OF THE PERUAN CURRENT IN THE FORMATION OF THE COASTAL DESERT? What is the name of this desert? Where is?

NATURAL ZONES TASK №10 WHICH NATURAL ZONE WILL YOU FIND WHEN MOVING FROM POINT A TO POINT B

TASK №11 WHAT IS THE REPRESENTED NATURAL ZONE NAMED? Where is located?

TASK №12 NAME THE REPRESENTATIVES OF THE PLANT WORLD WHICH MEET ON THE MAINS Africa and Australia?

IN WHICH NATURAL ZONES DO THE PRESENTED BIRDS LIVE?

WONDERS OF SOUTH AMERICA. SELVA

REPRESENTATIVES OF PAMPA

PATAGONIA

STUDENT CROSSING THE DESERT

THEIR HOME-SOUTH AMERICA

COUNTRIES OF SOUTH AMERICA. BRAZIL

On the topic: methodological developments, presentations and notes

The material is useful for teachers of geography. It is a development of a lesson on the topic "Geographical position of South America" ​​...

Different continental conditions and rates of development, diversity of cultures and approaches to the development of one's own country - Latin America continues to be one of the most unusual corners of our planet in terms of diversity. The unique nature and biodiversity are under threat due to the environmental problems that the region faces today.

Argentina: University of Washington scientists in a recent study found that extreme rainstorms and heat waves caused by climate change are leading to a declining population of Magellanic penguins on the Punta Tombo peninsula in Argentina. Over the past two years, the most common cause of death for chicks of this species has been climate change - increased rainfall during the breeding season has reduced their survival rate.

Belize: The Mesoamerican Reef, stretching over 1,000 km along the coasts of Belize, Guatemala, Honduras and Mexico, is home to over 500 fish species, 60 coral species, 350 mollusk species and other marine mammals and living organisms. Reefs are a key player in the ocean ecosystem. Due to global warming, the temperature of the water in the sea is rising, as a result of which the coral reefs are “fading”. The color of coral reefs is given by zooxanthellae algae covering polyps, but due to rising water temperatures, they gradually die off.

Bolivia: melting glaciers and climate change are threatening the Bolivians' water supply. A 2008 World Bank report noted that most of the glaciers in the Andes will disappear by 2028, and this will affect 100 million people. And that's not all: estimates show that a third of Bolivians already lack access to clean water.

Brazil: Deforestation of the Amazon is a huge problem in Brazil. From August 2012 to July 2013, deforestation increased by 28 percent. According to the BBC during this time on the territory of about 3608 sq. km were cleared from the centuries-old jungle. These numbers are especially striking when you consider that the Amazon rainforest is one of the world's most important natural defenses against global warming.

Venezuela: It occupies the TOP 10 in the list of the most biologically diverse countries in the world, but it also suffers from some environmental problems. Among them are sewage pollution in Lake Valencia, the third highest rate of deforestation in South America, oil and urban pollution of Lake Maracaibo. A few years ago, due to oil leaks, it was filled with crude oil.

Guatemala: Lake Atitlán in Guatemala was once the epitome of natural beauty and was even described by Aldous Huxley in his 1934 travel notes. It has been compared to Lake Como in Italy, but now it has lost its former charm. The blue waters of the lake have acquired a thick brown sediment and a strong smell, and scientists from the University of California have found toxic bacteria in it. The surrounding towns continue to use the lake as a source of drinking water. The reasons for such changes are agricultural fertilizers, raw sewage, garbage, as well as economic and demographic problems.

Honduras: Of all the countries listed in the Humboldt Center study, Honduras is among the countries most affected by climate change. The cause of death of many people in this country is extreme weather conditions - hurricanes, floods and storms.

Dominican Republic: Rising sea levels pose a serious threat to the entire Caribbean, and coastal flooding and erosion caused by salt water will lead to land devastation.

According to a World Bank study, the capital of the Dominican Republic, Santo Domingo, will be one of five cities that will be severely affected by climate change. In addition to flooding, there is also a high chance of storms and heavy rains, and coastal erosion can be extremely dangerous for those who live on the coast.

Colombia: If soil and water pollution, illegal drug crops, and the leakage of Colombian crude oil weren't enough, then Colombia, too, is suffering from deforestation problems. A recent study found a relationship between illegal coca production and deforestation. A study published in the journal Environmental Science & Technology found a correlation between increased cocaine production and the loss of square kilometers of rainforest. The trend of cutting down the jungle adjacent to illegal crops will continue in the near future.

Costa Rica: Shark fins are considered a great delicacy in Asia. About 95 percent of shark fins are consumed in China, most often in the form of a specialty soup. Since the shark's fin is the most valuable part of their body, many fishermen seek to cut it off from still living fish and throw them back into the ocean after that, dooming them to certain death.

In Costa Rica, shark finning is a huge problem for the state and the government has banned the practice. However, according to Interpol, fishermen using "a method where only a group of skin to keep the fin attached to the spine is held and the rest of the body is thrown into the sea."

Cuba: Deforestation, water and air pollution, soil degradation and desertification are the main environmental problems facing Cuba. Air pollution, for example, is caused by the fact that a large number of obsolete car models are on the streets of the country. According to some observations, the increase in acid rain in Cuba is associated precisely with air pollution from motor vehicles. In addition, the bay of Havana has long been filled with garbage and metal.

Mexico: Worldwide, air pollution kills between 500,000 and 1 million lives a year and costs governments 2 percent of GDP. A 2012 report by the International Clean Air Institute entitled "Air Quality in Latin America" ​​states that Mexico City continues to have a major problem with air pollution. At the same time, the situation in the city has improved slightly: two decades ago, the capital of Mexico was considered the most polluted city on Earth, but there is still something to work on.

Nicaragua: Global warming has created many problems throughout Latin America. In Nicaragua, it has a negative impact on the coffee industry. Hemileia vastatrix infection has affected about 70 percent of the world's Arabica production. A fungus originating from East Africa could not survive at a temperature of 10 degrees and coffee plantations located at an altitude of 1300 meters were immune. But over the past three years, climate change has led to the infection hitting most of the plantings in the region, which has already led to a 30 percent reduction in coffee production.

Panama: The mangroves of Isla Escudo de Veraguas are the natural habitat of the rare endangered pygmy sloth (Bradypus pygmaeus). The number of this species is estimated at 79 to 200 individuals in the wild. The main factor in the decline of the population is the reduction of its natural habitat.

Paraguay: Illegal crocodile hunting in Paraguay is extremely common. Crocodile skin is used to produce high-end luxury handbags and other accessories. Surviving crocodiles are at risk of starvation due to irrigation draining of their natural habitats.

Peru: The icy peak of Mount Quelkcaya in Peru has been melting at an alarming rate for years. According to experts, the glacial ice of the Peruvian Andes, which was formed over 1600 years, melted in just 25 years. The culprit behind the melting of glaciers around the world is global warming. The Pastoruri glacier is also under the threat of complete extinction, which will melt in the next decade.

Puerto Rico has a big problem with solid waste. There is only limited space on the island for waste disposal and the amount is growing all the time.

Salvador: With a population of about 7 million people, this country suffers from a wide range of environmental problems, from water pollution with human biological waste to the exploitation of land rich in precious metals. There are about 32 unique mining complexes in El Salvador, and in the course of operation, most of the toxic chemicals are released into water sources.

Uruguay: Waste management has become so big in Uruguay that you can even make a career out of garbage collection. It has been estimated that in Montevideo at least 15,000 people make a living by collecting garbage and food, carrying and using discarded items. In turn, the quality of life of people who exist from the waste of other people causes great controversy in society.

Chile: Deforestation, air pollution, mining problems, soil erosion and water shortages are the problems affecting Chile. The country, which is home to many of the world's plant and animal species, is also facing biodiversity loss. At least 16 mammal species, 18 bird species, 4 freshwater fish species, and 268 plant species are already threatened with extinction. Some endangered species in Chile include the tundra peregrine falcon, ruddy goose and green sea turtles.

Ecuador: The Galapagos Islands became a World Heritage Site in 1978 because they are home to thousands of species found nowhere else in the world. Many species on the island are threatened by several factors: air and land pollution, the influx of tourists, overfishing and illegal hunting. To date, more than 40 species in the Galapagos Islands are threatened with extinction due to the factors listed above.

TOPIC 2. South America

§ 24. Modern environmental problems of the mainland. World natural heritage sites

Remember:

1. When did Europeans begin to actively populate South America?

2. What are cultural and natural heritage sites?

Environmental problems. Active economic activity in South America began in the XVI century. in connection with the colonization of the mainland by Europeans. The largest contemporary environmental problems are: the destruction of the Amazonian forests, the plowing of the savannah, the pampas, the trampling of the grass cover by numerous herds of domestic animals, the impoverishment of vegetation and wildlife; soil erosion, the growth of desert areas, pollution of rivers, seas, air in mountainous areas, and the like.

The development of land as agricultural land in many areas of South America has led to changes in the natural environment. The pampas have been plowed almost completely, forests have been cut down in the tropical woodlands, and many animals have been exterminated. The fate of the Amazon forests is of particular concern (Fig. 63). Construction of the Trans-Amazon Highway and beyond

the development of this area is accompanied by predatory deforestation and burning of forests over vast territories. Such human activity significantly disrupts the natural balance, threatening to change the natural environment not only in equatorial forests, but also in neighboring natural zones (reduction in precipitation, shallowing of rivers, soil erosion, depletion of vegetation and wildlife).

Rice. 63. Deforestation of the Amazon. Photo from space

Concerned about the rapid destruction of forests, the Brazilian government decided to create the first major reserve in the Amazon.

Tropical agriculture is developing on the territory of South American countries, which significantly disrupts natural ecosystems. In equatorial and tropical latitudes, coffee trees, bananas, pineapples, sugar cane and the like are intensively grown. In subtropical regions - citrus fruits, tea, wheat, corn and the like. The lower slopes of the Andes are also used in agriculture, and the high mountain meadows are used as pastures.

Significantly changing natural complexes in areas of mining. During open pit mining, open pit mines can be several kilometers wide. The industrial centers of São Paulo and Buenos Aires are the mainland's polluted cities.

Recently, the struggle for the preservation of the environment has intensified in the countries of South America. The legislation on nature protection is being improved, national parks and reserves are being intensively created. Now there are more than 300 of them on the mainland. In the Amazon, 6 national parks and 8 scientific stations and reserves have been created. The area of ​​protected areas in South America is almost 1%.

Objects of the World natural heritage. 13% of the monuments are located on the territory of Latin America and the Caribbean countries (among them 90 - cultural heritage, 36 - natural heritage, 3 - mixed type). Let's talk about some of them.

On the territory of the Iguazu National Park in Argentina, there are waterfalls "Devil's Throat" (Fig. 64). Depending on the water level in the Iguazu River, there are from 160 to 260 waterfalls in the park. More than 2,000 species of plants grow around and 400 species of birds live.

Glacier Perito Moreno located in the National Park of Argentina (Fig. 65). The glacier is one of the most interesting tourist sites in the Argentinean part of Patagonia and the third largest in the world after Antarctica and Greenland.

Rice. 64. Devil's Throat Waterfalls

Rice. 65. Perito Moreno Glacier

Research

Natural wonders of South America

Using various sources of information, take a virtual tour of the unique natural sites of South America. Prepare a story (presentation) about one of them. Present your message to your classmates. Draw unique natural features on the outline map of South America.

Questions and tasks

1. Name the environmental problems of South America. What are they related to?

2. What environmental problems of the mainland can become global problems of the world?

3. Name the famous UNESCO-listed World Natural Heritage Sites on the mainland.

4. What ways of preserving natural heritage sites can be in our time?

Working with map and atlas

Find on the physical map areas of the mainland where environmental problems have arisen. Label them on a contour map.

Explorer Page

Suggest your own ways of solving environmental problems in South America.

Interesting fact

The Centenary Bridge (ill. 66) crosses the Panama Canal. It was put into operation in 2004 in honor of the 100th anniversary of Panama's independence. The bridge was constructed in 29 months, the cost of construction work is almost 120 million dollars. Its height is 80 m, length is 1 km 52 m.

Ecological education of preschoolers in kindergarten and family teacher-defectologist Voronina L.Yu. March 2017 MBDOU d / s No. 6 2017 was announced in ...

The countries of South America are at a higher level of development compared to other developing countries. In recent years, the economies of Latin America have been growing faster than the world average. One of the main reasons is that the South American countries have gone through a longer path of sovereign development. A certain role was played by economic management, reforms, high prices for raw materials, which contribute to the prosperity of the region. At present, the South American countries are not able to fully independently develop a diversified economy and are largely economically dependent on the developed countries of the world. Significant differences remain between individual countries. The economy of Brazil, Argentina, Venezuela is more in line with the level of developed countries. In Bolivia, Paraguay and a number of other countries, the level of economic development is lower.

South American industry

Hydropower resources contribute to the construction of the world's largest hydroelectric power plants: Itaipu on the Parana River, Guri in Venezuela, Tucurui in Brazil. Part of the electricity is generated at thermal and nuclear power plants. Non-ferrous metallurgy is the leading industry in Chile, Peru
and Bolivia.

More than 2,000 power plants operate in Brazil. These are mainly hydroelectric power plants, which produce 75% of electricity. Thermal, solar, wind and nuclear power plants account for 25% of electricity generated.

In the countries of South America, the manufacturing industry is developing most dynamically. Modern enterprises of new industries have appeared here. But a relatively diversified industry has been created only in two South American countries - Brazil and Argentina.

In Brazil and Argentina, the automotive and aviation industries are developed, there are nuclear power plants, large ferrous metallurgy plants, computers and military equipment. The manufacturing industry is focused primarily on meeting the needs of the domestic market, which are growing due to the rapid increase in population. Production is located in cities with a favorable geographical position, the availability of a skilled workforce (Sao Paulo, Buenos Aires, Rio de Janeiro) and in places where fuel or raw materials are available (for example, Carajas in Brazil).

The machine-building complex is developing not only in Argentina and Brazil, but also in Venezuela, Chile, Colombia, and Peru. Buenos Aires, Cordoba (Argentina), Sao Paulo, Belo Horizonte (Brazil) became its most important centers.

The main branch of mechanical engineering is transport engineering. Cars are produced in Brazil, Argentina, Venezuela. Shipbuilding and aircraft building (Brazil), agricultural engineering (Brazil and Argentina) are developing. The aerospace industry, microelectronics - in Brazil, robotics, nuclear industry - in Argentina are developing. The chemical and petrochemical industry has been developed in Brazil and Argentina. In the world economy, the role of exporters of mineral raw materials and agricultural products is assigned to the South American states. Each country specializes in the export of raw materials and products on which its well-being depends. In the mining industry, oil production in Venezuela, Argentina, Ecuador, and Colombia stands out. The extraction of iron, copper, nickel ores is the basis of the mining industry in Brazil, Venezuela, Chile, and Peru. Brazil is also rich in manganese ore and bauxite. Huge reserves of copper ore are concentrated in Chile and Peru. Bolivia is famous for its tin mining. Precious metal ores are mined in Colombia, Brazil, Peru.

Of particular importance are areas of new development in the deep parts of some countries.

The largest of them is created in the Venezuelan Guayana. It is based on the electric power industry and metallurgy. Iron ore is mined in an open pit, and a significant part of it is exported.

Agriculture occupies an important place in the economy of South America. Crop production dominates in the structure of agriculture. The largest area is occupied by areas where traditional food crops are grown: corn, rice, millet, legumes, sweet potato.

The "face" of South America in world agriculture is determined by tropical crops grown on large plantations. The most important of these are sugar cane, coffee, cocoa, bananas and cotton. Arabica coffee produced in Colombia is of especially high quality. Most of the wheat crop comes from Argentina and Brazil. Some countries and areas mainly produce only one crop (monoculture countries). Animal husbandry has a meat direction, but at the same time, the production of milk and dairy products is increasing. Argentina is the second largest beef exporter in the world. In Brazil, poultry farming is developing, and its products are exported. (See the thematic map for agricultural development areas.) Brazil employs about 70% of the population in the service sector.

South America Transport

The leading role in transportation is occupied by road transport. The most important highways are the Pan-American and Trans-Amazon Highways. Air and rail transport is of great importance. One of the highest railways in the world from Lima to Orio crosses the Andes at an altitude of 4818 m.

External economic relations are carried out mainly with the help of maritime transport. Raw materials, fuel, and agricultural products predominate in the export of South American countries.

The countries of South America supply coffee, cocoa, cotton, meat, wheat, sugar, citrus fruits to the world market. Chile exports copper, Peru - lead and copper, Bolivia - tin, Jamaica - bauxite. Projects are being created for assembling enterprises of modern Belarusian equipment in Latin America.

Environmental issues in South America

The growth of large industrial centers in South America is causing serious environmental problems that are characteristic of urban areas around the world. These are the low quality of drinking water, air pollution, and the accumulation of solid waste.

In terms of area of ​​territories with undisturbed nature, South America ranks second after Antarctica. But under the influence of economic activity, the forest area is declining.

The Amazon in the Southern Hemisphere is considered one of the main areas of deforestation. Oil extraction in the thick of the Amazon rainforest, iron ore in the Guiana and Brazilian plateaus required the construction of transport routes in inaccessible areas. This led to population growth, deforestation, expansion of arable and pasture land. The destruction of forests leads to the destruction of the soil, a decrease in the number of animals. Forest fires are a big problem. In South America, about 40% of tropical forests have disappeared.

IN last years in the countries of South America, the struggle to maintain the ecological balance in nature intensified. One of the areas of nature protection is the creation of national parks and reserves. More than 700 protected areas have been established on the mainland. A large area is occupied by the San Joaquin National Park in Brazil, where the most valuable forests of the Brazilian araucaria are protected. The furry spider monkey, the spectacled bear, and breeding grounds for sea turtles are also protected here. Known national parks Iguazu in Brazil, Manu in Peru.

The growth rates of the economic development of the countries of South America are ahead of the world average. The countries of South America are characterized by a decrease in the share of agriculture in GDP and an increase in the share of industry. The development of the economy is facilitated by huge reserves natural resources, availability of labor resources, expansion of integration.

An environmental problem is a deterioration associated with the negative impact of a natural nature, and in our time the human factor also plays an important role. The destruction of the ozone layer, environmental pollution or its destruction - all this, one way or another, entails adverse consequences now or in the near future.

North America, which is quite significant, but is extremely acute, is one of the most progressive regions of the world. For the sake of prosperity, the United States and Canada have to sacrifice their nature. So what are the difficulties in ensuring environmental security facing the inhabitants of the North American continent, and what do they threaten in the future?

Technological progress

First of all, it should be noted that over time, the living conditions of the population of cities are deteriorating, especially in industrial centers. The reason for this is the active exploitation of natural resources - soil, surface water, and the environment, the destruction of vegetation. However, the most important links of the natural environment - soil, hydrosphere and atmosphere - are interconnected, and human impact on each of them affects the others, so destructive processes become global.

While North America is developing, the continent's environmental problems are becoming more acute. Along with progress, the destruction and displacement of the natural landscape occurs, followed by its replacement with an artificial environment, which can be harmful and even unsuitable for human life. Already in the second half of the 20th century, the mass of waste on the North American continent amounted to 5-6 billion tons per year, of which at least 20% were chemically active.

Traffic fumes

The problem of exhaust gases is relevant throughout the world today, but on the West Coast of the United States in California, the situation is especially difficult. In these places, steam flows along the mainland, as a result of which steam condenses over coastal waters, in which large volumes of vehicle exhaust gases are concentrated. In addition, during the summer half of the year, there is anticyclone weather here, which contributes to an increase in the influx of solar radiation, as a result of which complex chemical transformations occur in the atmosphere. The consequence of this is a dense fog, in which a mass of toxic substances is concentrated.

Experts studying the environmental problems of the North American continent call the excessive emission of exhaust gases a serious challenge to society, because they not only adversely affect nature, but are also the cause of many human diseases.

Depletion of water resources

What other environmental problems exist in North America? On the mainland today, things are very bad with water resources - they are simply depleted. On the continent, the level of water consumption is constantly growing, and today it already exceeds the permissible. Back in the last century, the American specialist A. Walman published the results of studies, according to which more than half of the population of the United States consumes water that has been used at least once and passed through the sewer.

Under such circumstances, it is difficult to fulfill two very important conditions: along with the restoration of water quality, it is necessary to constantly ensure the presence of its natural volume in rivers and other reservoirs. In 2015, water levels in the country's largest reservoir plummeted, with scientists warning that this could be the start of a longer drought.

Water pollution

Environmental problems are not limited to depletion alone The list of negative factors in this area is quite long, but mostly it is pollution of water bodies. They throw out waste, which contains everything, and shipping also causes significant damage.

Also today, quite a lot of harm is caused. Approximately one third of the water withdrawn annually from rivers falls on nuclear and thermal power plants, in which it is heated and returned to the reservoir. The temperature of such water is 10-12% higher, and the oxygen content is noticeably lower, which plays a significant role and often causes the death of many living organisms.

Already in the second half of the 20th century, 10-17 million fish perished in the United States every year from water pollution, and the Mississippi, which is the largest river in North America, is now one of the ten most polluted in the world.

Rest of nature

North America, located in almost all latitudes of the hemisphere, has a unique landscape and a very rich flora and fauna. Environmental problems have reached the virgin nature of the mainland. There are several dozens of national parks on its territory, which in today's conditions have become almost the only corners in which many millions of city residents can take a break from the noise and dirt of megacities. The influx of visitors and tourists, increasing at an incredible rate, affects them because of which today some unique species of animals and plants are on the verge of extinction.

It is a sad fact that not only people are a source of pollution - they are washed out by rainwater and blown out by the wind, and then various toxic substances contained in rock dumps move into the rivers. Such dumps can often stretch along the riverbed for long distances, constantly polluting the reservoir.

Even in the north of Canada, where natural resources are not being developed as intensively, today one can notice significant changes in nature. Ecological problems of the taiga in North America are being studied by employees of Wood Buffalo, one of the largest national parks in the world.

Exploitation of natural resources

As already mentioned, the environmental problems of the continent are largely related to the high technological level of development of the United States and Canada. The natural resources of North America are diverse and numerous: the bowels of the mainland are rich in oil, natural gas, and the most important minerals. The vast timber resources of the north and the agriculturally favorable lands of the south have been overused for many years, as a result of many environmental problems.

Shale gas

There has been a lot of buzz lately around shale gas, which is increasingly being produced by North America. The environmental issues that may arise with the use of certain technologies appear to be of little concern to companies involved in the exploration and production of hydrocarbons from shale formations. Unfortunately, political intrigues play a role in promoting this type of extraction of energy resources, and possible consequences for ecology are sometimes not taken into account at all. Thus, the US government has taken a course towards independence from energy supplies from foreign markets, and if yesterday the country purchased gas from neighboring Canada, today it is already positioning itself as a hydrocarbon exporting state. And all this is done at the expense of the environment.

Conclusions for the future

In this short article, the environmental problems of North America were briefly considered. Of course, we did not consider all the information, but, based on the available material, we can conclude that in the pursuit of profit and in the pursuit of material wealth, people have methodically caused and continue to cause serious damage to the environment, while rarely thinking about the consequences of their actions.

Trying to achieve the maximum effect in the exploitation of natural resources, we paid little attention to preventive measures, and now we have what we have. A good example of this is the North American continent, perhaps the most highly developed region of the world, whose environmental problems are also very significant.

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SOUTH AMERICA GENERAL REVIEW ON THE THEME "NATURE OF SOUTH AMERICA"

The purpose of the lesson: Repeat and summarize the theme of the mainland "South America"; consolidate knowledge on the topic

Tasks: 1. To continue the formation of the idea of ​​the integrity of the nature of the mainland. 2. To develop imaginative thinking, speech, the ability to highlight the main thing, the ability to work with a map, to summarize the material. 3. Develop the ability to listen and analyze the answers of a friend. 4. Formation of students' logical thinking. 5. Development of computer skills, Internet resources.

GEOGRAPHICAL POSITION OF THE MATERIN EXTREME POINTS: NORTHERN SOUTH WESTERN EASTERN TASK No. 1 INDICATE ON THE OUTLINE MAP

FROM THE HISTORY OF DISCOVERY AND RESEARCH OF THE MATERIAL ASSIGNMENT №2

Christopher Columbus - 1492 - discovered America

Amerigo Vespucci - took part in 2 expeditions. He was the first to describe open lands.

Alexander Humboldt - German geographer -18-19 centuries studied the nature of the continent.

Vavilov N.I. - Russian botanist established the centers of ancient centers of agriculture. (1923-1933)

TASK №3 WHY IN THE WEST THE MATERIAL OF THE MOUNTAIN, AND IN THE EAST-PLAINS?

Snow avalanche (May 1970) killed 25 thousand people

Earthquakes in the Peruvian Andes

brazilian plateau

RELIEF OF SOUTH AMERICA TASK №4 MARK LARGE FORMS OF RELIEF ON C / C

CLIMATE TASK №5 WRITE CLIMATE AREAS: A) TROPICAL BELT B) SUBTROPIC C) MODERATE

INLAND WATERS

TASK №6 Designate the largest rivers on the c / c

Waterfalls TASK №7 NAME THE WATERFALLS OF THE MATERIAL. ON WHAT RIVER SYSTEMS ARE THEY LOCATED?

TASK #8? LAKES OF THE MAINLAND WHAT ARE THE NAMES, WHERE ARE THEY LOCATED?

LAKE TITICACA

NATURE OF SOUTH AMERICA

NATURAL AREAS TASK №9 WHAT IS THE IMPORTANCE OF THE PERUAN CURRENT IN THE FORMATION OF THE COASTAL DESERT? What is the name of this desert? Where is?

NATURAL ZONES TASK №10 WHICH NATURAL ZONE WILL YOU FIND WHEN MOVING FROM POINT A TO POINT B

TASK №11 WHAT IS THE REPRESENTED NATURAL ZONE NAMED? Where is located?

TASK №12 NAME THE REPRESENTATIVES OF THE PLANT WORLD WHICH MEET ON THE MAINS Africa and Australia?

IN WHICH NATURAL ZONES DO THE PRESENTED BIRDS LIVE?

WONDERS OF SOUTH AMERICA. SELVA

REPRESENTATIVES OF PAMPA

PATAGONIA

STUDENT CROSSING THE DESERT

THEIR HOME-SOUTH AMERICA

COUNTRIES OF SOUTH AMERICA. BRAZIL

On the topic: methodological developments, presentations and notes

The material is useful for teachers of geography. It is a development of a lesson on the topic "Geographical position of South America" ​​...

South America is the fourth largest continent on Earth. This is the southern part of the land, which is called the New World, the Western Hemisphere, or simply America. The mainland has the shape of a triangle, it is wide in the north and gradually narrows towards southern point- Cape Horn.

The continent is thought to have originated when the supercontinent Pangea broke apart several hundred million years ago. This theory says that throughout both South America and Africa were a single landmass. For this reason, both modern continents have similar mineral resources and rock types.

Basic geographic information

South America, together with the islands, occupies 17.3 million km². Most of its territories are located in the Southern Hemisphere. Passes through the continent. The coastline is quite indented. Pacific and Atlantic oceans, which form bays at the mouths of rivers. South coast with archipelago Tierra del Fuego more severely cut. :

• north - Cape Gallinas;
• south - Cape Frouard;
• west - Cape Parinas;
• east - Cape Cabo Branco.

The largest islands are Tierra del Fuego, Galapagos, Chiloe, Wellington Island and the Falkland Islands. Large peninsulas include Valdes, Paracas, Taitao and Brunswick.

South America is divided into 7 natural regions: Brazilian Plateau, Orinoco Plain, Pampas, Patagonia, Northern Andes, Central and Southern Andes. The continent consists of 12 independent countries and 3 territories without sovereignty. Most of the countries are developing countries. The largest country in terms of area is Brazil, which is Portuguese-speaking. Other countries speak Spanish. In total, about 300 million people live on the mainland, and the population continues to grow. The ethnic composition is complex due to the special settlement of the mainland. Most people live on the coast of the Atlantic Ocean.

Relief

Andes

The base of the continent consists of two elements: the Andes mountain belt and the South American platform. It has risen and fallen several times during its existence. Plateaus have formed in elevated places in the east. Low-lying plains formed in the troughs.

The Brazilian Highlands settled in the southeastern part of Brazil. It stretched for 1300 km. The composition includes the Serra de Mantiqueira, Serra do Paranapiataba, Serra Gerall and Serra do Mar mountain ranges. The Brazilian shield is located south of the Amazon. The Guiana Plateau, 1600 km long, stretches from Venezuela to Brazil. It is famous for its gorges and tropical forests. Here is the highest Angel Falls, 979 m high.

The Amazonian lowland was formed due to the turbulent waters of the river of the same name. The surface is filled with continental and marine sediments. In the west, heights barely reach 150 meters above sea level. The Guiana Plateau arose in the north of the continent. The longest mountain range on Earth, the Andes, is 9 thousand km. The highest peak is Mount Aconcagua, 6960 m. Mountain building continues to this day. This is evidenced by the eruptions of numerous volcanoes. The most active volcano is Cotopaxi. The mountain range is seismically active. The last major earthquake occurred in the Chile region in 2010.

desert

In the southern part of the continent, a zone and semi-deserts were formed. This is a unique territory for the temperate zone: deserts overlook the ocean coast. The proximity of the ocean creates high humidity. However, the formation of arid terrain was influenced by the Andes. They block the path of moist winds with their mountain slopes. Another factor is the cold Peruvian current.

Atacama

Atacama Desert

The desert territory is located on the western coast of the continent, its total area is 105 thousand km². This region is considered the driest on the planet. In some areas of the Atacama, precipitation has not fallen for several centuries. The Peruvian current of the Pacific Ocean cools the lower ones. Because of this, in this desert, the lowest humidity on Earth is 0%.

The average daily temperature is cool for desert regions. It is 25 ° C. In some areas, fog can be observed in winter. Millions of years ago, the region was under water. After a while, the plain dried up, resulting in the formation of salt pools. There are a lot of active volcanoes in the desert. Red stony soils predominate.

The landscape of the Atacama is often compared to that of the moon: sandbanks and rocks alternate with dunes and hills. Evergreen forests stretch from north to south. On the western border, the desert strip gives way to thickets of shrubs. In total, there are 160 species of small cacti in the desert, as well as lichens and blue-green algae. Acacias, mesquite trees and cacti grow in the oases. Llamas, foxes, chinchillas and alpacas have adapted to the climatic conditions. 120 species of birds live on the coast.

A small population is engaged in mining. Tourists come to the desert to visit the Moon Valley, see the "Desert Hand" sculpture and enjoy sand snowboarding.

Sechura

Sechura Desert

This desert area is located in the northwest of the continent. On the one hand, it is washed by the Pacific Ocean, and on the other, it borders on the Andes. The total length is 150 km. Sechura is one of the cold deserts with an average annual temperature of 22 ° C. This is due to southwest winds and ocean currents off the coast. It also contributes to the formation of fogs in winter. Fog retains moisture and gives coolness. Due to subtropical anticyclones, little precipitation falls in the region.

Sands form mobile dunes. In the central part, they form dunes 1.5 m high. Strong winds move the sand and expose the bedrock. The animal and plant world is concentrated along the watercourses. On the territory of Sechura there are two large cities.

Monte

Desert Monte

The desert is located in the north of Argentina. It has a hot and dry climate. Precipitation may not fall for about 9 months of the year. Weather changes are explained by the absence of mountains: the territory is open to north and south winds. Clay soils in the valleys, and stony soils in the mountains. Few rivers are fed by rain.

The territory is dominated by semi-desert steppes. There are woodlands near the water. The fauna is represented by birds of prey, small mammals, including llamas. People live in oases and near water bodies. Part of the land is turned into agricultural land.

Inland waters

Amazon river

The continent receives a record amount of rainfall. Thanks to this phenomenon, many rivers were formed. Since the Andes act as the main watershed, most of the mainland belongs to the Atlantic basin. Water bodies are mainly fed by rain.

The Amazon, 6.4 thousand km long, originates in Peru. She has 500 tributaries. The rainy season increases the level of the river by 15 m. Its tributaries form waterfalls, the largest of which is called San Antonio. are poorly used. The length of the Parana River is 4380 km. Its mouth is located on the Brazilian Plateau. Rainfall is uneven because it crosses several climatic zones. In the upper reaches, due to the rapids, Parana forms waterfalls. The largest, Igausu, has a height of 72 m. Downstream, the river becomes flat.

The third largest inland body of water on the continent, the Orinoco, is 2,730 km long. It originates on the Guiana Plateau. In the upper reaches there are small waterfalls. In the lower part, the river forks, forming lagoons and channels. During floods, the depth can be up to 100 m. Due to the frequent tides, shipping becomes a risky business.

The largest lake in Venezuela is Maracaibo. It was formed as a result of a deflection tectonic plate. In the north, this reservoir is smaller than in the southern part. The lake is rich in algae, thanks to which various species of birds and fish live here. The south coast is represented. Tourists are attracted by a rare phenomenon called the Catatumbo Lighthouse. As a result of mixing the cold air of the Andes, the warm air of the Caribbean Sea and methane from the swamps, lightning appears. They strike 160 days a year, and silently.

Titicaca, the second largest lake in South America, is located between the Andes. It has 41 inhabited islands. It is the largest navigable lake. Titicaca and the surrounding area is a national park. Rare species live on its territory. Due to rarefied air, there is little species diversity. Most of the continent has large reserves of fresh water.

Climate

Subequatorial climate zone

The continent is located in five climatic zones. occupies the Pacific coast and the Amazonian lowland. During the year, 2 thousand mm of precipitation falls. The temperature throughout the year is low, about 24 ° C. It is in this belt that the equatorial forests grow, which are the largest array of wet forests on Earth.

The fight for the environment is to create national parks and reserves. Countries need to adopt clean technologies and replant deforested areas.

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Somewhere in the 60s of the last century, what everyone knows today under the gloomy name of “global problems” was born on our planet. These are planetary, vitally significant problems, on the solution of which the fate of mankind as a whole depends. They are interconnected, cover different aspects of people's lives and concern all countries and peoples of the modern world, regardless of their level of social, economic and cultural development. These are the problems of land and air, water and food, cities and countryside, physical and spiritual health, world war, etc. In the end, these are questions of the survival of people and living beings in general, in whatever part of the world they are.

The South American continent is one of the most amazing and beautiful parts of the world. It is impossible not to love this land, and it is all the more painful to see and realize those of its troubles, which are at the same time the source and manifestation of a number of global problems. An obvious and striking example of this is the ongoing and catastrophic deforestation of the Amazon rainforest, which is figuratively but rightly called the green lungs of our planet. The dense evergreen forests that grow on the banks of the great Amazon produce colossal volumes of oxygen dispersed throughout the Earth. At the same time, the forest biomass of the Amazon basin absorbs about one hundred million tons of carbon dioxide. The uniqueness and value of these forests also lies in the fact that they are distinguished by the greatest biodiversity in the world: every tenth animal or plant species described in science is present here. The jungle of South America is the largest tropical forest in the world. It covers 5.5 million square kilometers, which is half the total area of ​​tropical forests remaining on the planet. However, this state of affairs is rapidly changing.

For thousands of years until the middle of the last century, tropical forests in the equatorial zone remained in a virgin state. And in just thirty years - from 1960 to 1990 - according to various expert estimates, 1/5 of the Amazon forest cover was destroyed. In general, it must be said that the rate of deforestation in the Americas is one of the highest in the world and averages 0.48% per year. Of the 418 million hectares of forests cleared in the world over the past 30 years, Latin America accounts for 190 million hectares. Between 1990 and 2000 alone, the total forest area in the region decreased by 46.7 million hectares. Every year, about 130 thousand square meters. km. green areas (this is the area of ​​a country the size of Bulgaria) are burned, cut down, flooded or destroyed in other ways. Considering that the Amazon rainforest plays a key role in the Earth's hydrological and climate system and has a significant impact on the global climate, deforestation of this forest is a truly global problem.

Each of the South American countries where deforestation is taking place has its own profile of causes. So, in Brazil, these are primarily the needs for the development of agricultural production, in particular, the expansion of soybean and grain crops, as well as an increase in the production of export beef. It turns out that 60 - 70% of the former forest land is used for cattle breeding, mainly by small-scale farmers. In Colombia, the deforestation process is greatly influenced by the production of cocaine. Coca bushes, which have recently become too abundant in tropical forests, significantly accelerate their destruction.

Among the common and fairly good reasons for deforestation of the equatorial forest is that it is widely used as a means of heating, and its valuable species are exported. In addition, population growth requires new places of residence, and the needs of the economy require the development of transport infrastructure. Therefore, every year more and more new roads are laid through the endless expanses of tropical forests, along which new settlements instantly appear. Every year, at the end of the rainy season, settlers start cutting down forests, regardless of its age and quality - new areas are cleared for crops. From year to year, giant bonfires continuously burn in the selva. The ash is used to fertilize the fields where maize, beans, cassava, rice, and sugarcane are grown. In addition, the decrease in the area of ​​the selva is also associated with the extraction of minerals here, especially oil, as well as with the expansion of the territory for plantations of cotton, sugar cane, coffee, etc.

What are the consequences of a further significant reduction in equatorial forests, what threatens this?

It is well known that, in principle, deforestation leads to dramatic changes in temperature, changes in precipitation and wind speeds. The reduction of tropical rainforests inevitably leads to a reduction in the supply of oxygen to the atmosphere, to an increase in the content of carbon dioxide in it. This, in turn, enhances the "greenhouse effect", leading to the disappearance of many animal species that will lose their natural habitat. Where solid massifs are replaced by areas of forest thoroughly thinned out by people, arid and almost treeless plains gradually appear. Today it is the most characteristic landscape for Brazil. In connection with all this, the sad fate of the ancient cultures of Mesopotamia, the Mediterranean, and Central America is recalled. These civilizations, as you know, died or left the historical stage precisely because people mercilessly cut down forests, and this was followed by soil erosion, silting of rivers, the impoverishment of fertile lands and the decline of agriculture.

Similar fears are confirmed by the article of the journalist Miguel Ángel Criado (Miguel Ángel Criado) "Deforestation in the Amazon will reduce crops", published in the Spanish newspaper "Materia" on 05/15/2013. The author relied on research by experts from several universities in Brazil and the United States, who built a model of the interaction of climate and land use and developed a series of forecasts to understand what awaits us in the future. According to the conclusions of scientists, if the deforestation of tropical forests is not stopped, then changes in land use will inevitably lead to negative climate consequences:

• a dangerous reduction in the ability of the selva to absorb carbon dioxide;
• rising temperatures in the Amazon;
• reducing the amount of moisture in the atmosphere and disrupting the precipitation regime.

And this, in turn, will lead to a decrease in the production of fodder crops. Brazilian researchers predict that by 2050, if the area under cultivation is doubled, the yield will be reduced by 30%.

Nevertheless, writes Miguel Criado, the Brazilian government and the agro-industrial complex are in favor of further deforestation. Everything indicates that forests will continue to be cut down. This is evidenced not only by the corresponding changes in the Forest Code of Brazil, but also by the plans of private business, which intend to double the volume of agricultural production by 2020. And the forests clearly interfere with this. Alas, the protective function that the Amazonian selva performs on a planetary scale is of little interest to them, but they are very interested in their own financial interests.

Another simultaneously global and continental problem, both aspects of which are inextricably linked and interacting, is the drug problem in its entire range - drug addiction, drug production, drug trafficking, drug crime. Drugs are not just a new global threat, but a tragic factor in the deaths of 200,000 to 300,000 people every year. This is an annual drug trafficking that brings in more than 320 billion dollars, which are the financial base for terrorism, piracy, organized crime and corruption. This is a conglomerate of criminal drug gangs in the shadow sector of the global banking system, which has formed a system of money transactions in the amount of almost 1 trillion dollars. These are illegal cartel-industrial formations that have turned into an exceptionally powerful social institution that cannot be controlled by legitimate authorities, weakening sovereign Latin American states and hindering their development.

The South American continent (mainly Colombia, Peru, Bolivia and Venezuela), together with Afghanistan, are now two planetary drug centers in which the production of cocaine and heroin has acquired an industrial character and unprecedented volumes. So, if in the 50s of the 20th century only 10 tons of cocaine were produced in the countries of the continent, then already at the end of the 80s - 500 tons, and in 2006 - 1030 tons. Thus, the level of cocaine production in 50 years has increased here 100 times, which had global negative consequences. Naturally, the first blow fell on North America and, first of all, on the USA. Here, already in the early 1980s, every 10th resident admitted to using drugs.

After the United States tightened control over the import of cocaine, the base drug flow split. In addition to the countries of North America, he also went to West Africa and the countries of the European Union. Moreover, in terms of volume, the new drug trafficking and the basic one are almost identical. According to experts, it was the massive injection of cocaine from the countries of South America and, of course, the flow of heroin from Afghanistan that put the countries of the European Union on the needle. Currently, 10% of the adult population use drugs there. For the countries of West Africa and the Sahel, the South American smuggling and drug trade caused a destabilizing tsunami in the political and socio-economic fields. Speaking to the UN Security Council in December 2009, Antonio Maria Costa, Director of the United Nations Office on Combating Drugs and Organized Crime /ONUDC/, said that the proceeds of drug trafficking are increasingly being used by terrorist and anti-government organizations in the Sahel to finance their militant and subversive actions. The Bureau has compelling evidence that two illicit drug flows have crossed in the Sahara. One - heroin - uses East Africa as a transit point, the second - cocaine - West Africa. Further, both streams merge together and use new routes through Chad, Niger and Mali, Costa said. These drug flows enrich not only organized crime. Terrorist and anti-government organizations operating in African countries also replenish their resources from the proceeds from participation in drug trafficking. These funds are used to finance their operations, purchase weapons and pay for the militants.

In the countries of Latin America and the Caribbean themselves, drug production and the continuous transit through Central America that it generates remains a key driver of terrible violence. Between 2000 and 2010, 1 million premeditated murders were registered there, which allowed these countries to become the absolute champion in this sad indicator. In 2014, the number of premeditated homicides in these countries was four times higher than the global level. Today, more than 30% of all premeditated murders in the world are committed in these countries, despite the fact that only 9% of the world's population lives there. Of the 50 cities in the world - the most dangerous to live in - 40 are located in the Western Hemisphere, with Latin American cities occupying the top ten places in this list. First of all, this is the Honduran city of San Pedro Sula, then the Venezuelan Caracas, then the Mexican Acapulco, the Colombian Cali and the Brazilian Maceio.

The names of powerful Latin American transnational drug cartels have become known to the whole world, for example, the Medellin Cartel and the Cali Cartel in Colombia, Los Setas in Mexico and Guatemala, Primeira Team and Capital in Brazil, Mara Salvatrucha in El Salvador and Honduras and others. Today, experts note with concern the trend of transformation of family-type drug cartels into syndicated-industrial type drug cartels, which include not only separate production and distribution, but also their own power structures (intelligence, counterintelligence, paramilitary formations), etc.

Thus, in terms of its scope and consequences, the drug problem has acquired such a status that it can be put on a par with the problems of terrorism, piracy and nuclear non-proliferation. It is no coincidence that many states, politicians, public figures and experts consider it urgent to form a fundamentally new global agenda for the fight against drugs, to expand and strengthen international cooperation in the field of anti-drug policy.

Among the acute global problems that have a pronounced South American specificity is the problem of anthropogenic pollution of the environment. It is the result of many factors: population growth, industrialization, urbanization, transport development, etc. Already due to the fact that the level of urbanization in the region is about 80%, and in the cities of Argentina, Uruguay, Venezuela and Chile it is even higher - from 88 up to 93%, the problem of pollution of the lithosphere (soil cover), atmosphere and hydrosphere inevitably arises. After all, every day giant urban agglomerations - Sao Paulo, Lima, Bogotá, Rio de Janeiro, Santiago, Buenos Aires and others - produce tens of thousands of tons of solid waste. They require disposal, but, unfortunately, most of them rot in open-air landfills, which creates an extreme environmental and epidemiological hazard.

As you know, as a result of the decomposition of organic waste, a gas is released that has methane and carbon dioxide in its composition. It not only exudes a fetid odor, but also destroys all vegetation on the surface, and also enhances the greenhouse effect. Quite often, gas fires and fires occur in landfills. Toxic smoke enters the atmosphere and poisons all living things within a radius of several kilometers. In addition, due to landfills, deep contamination of the soil and poisoning of groundwater occurs. Nearby bodies of water become toxic and dangerous to humans, and the soil becomes unusable for several hundred years after the landfill is closed. But that's not all. Being a repository of various toxins and the most dangerous bacteria, and also a source of food for thousands of birds, animals and even people living and working in landfills, the latter become the cause of epidemics and even a kind of biological weapon.

A striking example of such a landfill was the Brazilian Jardim Gramacho, located on the territory of the Rio de Janeiro agglomeration. It was considered one of the largest in the world. Every day, up to nine thousand tons of garbage were brought there, and over 34 years of its existence, more than 70 million tons of waste have accumulated there. Ecologists believe that it was because of this landfill that the beach in Guanabara Bay, once considered one of the cleanest in Rio de Janeiro, turned out to be polluted. The closing of Jardim Gramacho was postponed several times. However, in the summer of 2012, literally on the eve of the start of work in Rio de Janeiro of the UN Conference on Sustainable Development (Rio + 20), the Brazilian authorities considered it a matter of honor to close Jardim Gramacho. This is certainly a great achievement, especially considering that earlier a powerful waste processing plant was built not far from the six millionth capital of the most colorful carnival in the world. However, there are few stories with such a positive ending. They are rather the exception to the rule.

So, for example, in 2011, the famous landfill "Bordo Poniente" (El Bordo Poniente) near Mexico City was closed. It has been called the largest solid waste dump in Latin America. Over a quarter of a century, from 50 to 60 million tons of garbage have accumulated here. The closure of this landfill, according to the Mexican Minister of the Environment, is equivalent to reducing the harmful emissions of 500,000 cars. The Mexican government planned to build a plant to generate electricity on the site of a closed landfill. However, while these plans remain unrealized, and millions of tons of garbage rot under Mexico City. As for the 15,000 tons of garbage that a multi-million metropolis produces every day, it is transported to other landfills.

Despite the concern of the public and authorities of South American countries with the problem of disposal of household and industrial waste, its solution in the short term is hardly possible due to economic reasons. Therefore, there will be such huge landfills as "Mine" on the outskirts of Guatemala City, and hundreds of small landfills throughout the region.

Modern agglomerations are also a powerful source of air pollution, which occurs as a result of the operation of public and personal transport, household and industrial equipment, various life support systems and industrial enterprises. Together, all this creates billions of tons of solid and gaseous particles every year. The main air pollutants are carbon monoxide and sulfur dioxide, which are formed primarily from the combustion of mineral fuels, as well as oxides of sulfur, nitrogen, phosphorus, lead, mercury, aluminum and other metals. In turn, sulfur dioxide is the main source of so-called acid rain, which reduces crop yields, destroys both vegetation and life in river reservoirs, destroys buildings, and adversely affects people's health.

A particular problem is the increase in emissions of carbon dioxide (CO2) into the atmosphere. Such emissions are known to threaten humanity with the so-called greenhouse effect and global warming. If in the middle of the 20th century CO2 emissions worldwide amounted to approximately 6 billion tons, then at the end of the century it exceeded 25 billion tons. The main responsibility for these emissions lies with the economically developed countries of the world. But in recent decades, due to the development of industry and energy, carbon emissions have also increased significantly in a number of countries in Latin America and the Caribbean.

In general, industries with a high level of environmental pollution have received significant development in South America. This is due, on the one hand, to the transfer of "dirty" industries here from developed countries, on the other hand, to the industrialization strategy with the predominant development of material, energy and labor-intensive industries. To date, 80% of industrial pollution is associated with the use of fuel and energy resources. Oil refining and petrochemistry are the most dangerous branches of production from the ecological point of view. In Brazil, the Camasari district has become the dirtiest, where a large petrochemical complex has been built. Such areas, where there is a concentration of hazardous production, are called the "valley of death."

Industrial pollution in Brazil is also associated with the expansion of the production of ethanol from sugar cane. Due to the limited domestic oil resources and the desire to reduce dependence on oil imports, Brazil has become the only country producing technical alcohol from sugar cane. The vast majority of cars here run on alcohol engines. However, now the attitude towards such an actively pursued program "Proalcol" began to change, since its environmental consequences are already clear: a large emission of pollutants, pollution of the natural environment sewage distilleries. The industry also turned out to be excessively water-intensive.

The state of the water basins of South America is a special and very acute problem. On the one hand, there is a lack of clean water in many vast areas, on the other hand, the level of its pollution is high. For example, in Buenos Aires, about 3.5 million people quench their thirst with water, which contains a lot of water pollutants. In Costa Rica, half of the locals take their water from underground wells using submerged pumps that operate without water purification equipment. In Venezuela, the situation with clean drinking water is even more dramatic: there is practically no infrastructure in the country, and most of the inhabitants of this state receive rationed drinking water. Against this background, corruption is rampant in the country, and government officials responsible for the distribution of water resources are making huge fortunes by simply selling quotas for drinking water, which has become worth its weight in gold.

In Bolivia, a real water crisis erupted in 2016, which continues to this day. Water is scarce in five of the nine Bolivian departments. Both agriculture and residents suffer big cities like La Paz. The tap water here flows once every couple of days a week and only a few hours. The immediate cause is the worst drought in the country in a quarter of a century. But, according to experts, it's not just her. This is the result of many factors. This is the crisis of water management, and serious climate change, including the rapid melting of glaciers. Since 1970 the Bolivian glaciers have shrunk by 30 - 50%. They are a vital source of water for the country. A 2008 World Bank report noted that most of the glaciers in the Andes will disappear by 2028, and this will affect 100 million people.

No less difficult is the situation with drinking water in Uruguay and Chile. According to experts, between 2040 and 2100, these countries will experience intense melting of glaciers in the Andes, which will cause mudflows and floods. Not only will tens of thousands of local residents have to be evacuated from settled places, but it will also be necessary to provide them with drinking water, which there is simply nowhere to get from. In Peru, the situation is slightly different: there seems to be enough sources of clean drinking water in the country, but the uncontrolled use of pesticides in agriculture has led to the fact that many of them have become simply unusable. And this is only part of the problem, since the local authorities have officially recognized that the main source of water pollution in the country is the untreated discharges of industrial enterprises, most of which work on the technologies of the last century and have no treatment facilities at all. Anyone who has been to Peru is familiar with such a picture - on the bank of a small river, from which even 20 - 30 years ago local residents took water for drinking, there is a huge enterprise that dumps not just untreated sewage into the river, but liquid waste from production, in which almost all elements from Mendeleev's periodic table.

Some scientists are sure that in the future humanity is waiting for a war for the possession of water resources. And this scenario is already being seen in South America, where tensions have increased between countries such as Argentina and Uruguay over access to sources of clean drinking water. The governments of these countries periodically exchange rather harsh statements against each other, accusing opponents of taking too much water from the rivers that flow simultaneously through the territories of Argentina and Uruguay.

Fortunately, most countries in the region have already realized what problems with water await them in the future, if the situation is not corrected now. Thus, in a number of states profile ministries responsible for the use of water resources have been created. At the same time, special attention is paid to the development of glaciers in the Andes, which, according to experts, contain up to 85% of fresh water reserves in the region. The Chilean authorities, who have the largest glacier in the Southern Hemisphere with an area of ​​20,000 square kilometers, have taken up this problem especially zealously. Also, Argentina feels good in this regard, where the valley of the La Plata River is located, the basin of which occupies a third of the country's territory. However, large damage to the river has been inflicted by industrial enterprises located on its banks and tributaries for decades. So, in most cases, ecologists are right, believing that the root cause of the deteriorating state of the region's water basins is not climatic factors, but anthropogenic factors, in particular, discharges of industrial, agricultural and household waste into rivers, lakes and seas.

Also a striking example of global problems in the countries of South America are sharp and growing social inequalities, food shortages, growing poverty and crime. Many experts see the reasons for such a concentration of global problems in the region in the fact that, historically, external shocks have resonated with internal problems. Home them them? material and moral depreciation of the model of socio-economic development that functioned with more or less success in the states of Latin America in 2003? 2013 and provided them with a relatively dynamic increase in the main macroeconomic indicators. As a result, according to the United Nations Economic Commission for Latin America and the Caribbean (Comisión Económica para América Latina y el Caribe, CEPAL), the region's total GDP fell by 0.7% in 2015, while exports fell by 14%. If we take into account that in 2013-2014 the export of goods decreased by 3 and 0.4%, respectively, we can speak not of an isolated case, but of an existing negative trend. It is also reinforced by international competition.

Fortunately, in recent years in the countries of South America, the struggle to maintain ecological balance has intensified. It goes in two directions: the first is the development of legislation on nature protection; the second is the creation of national parks and reserves. Currently, there are already more than 300 of them. There are six national parks and eight protected scientific stations in the Amazon alone. In the context of growing technogenic and anthropogenic pressure on the Earth's biosphere, priority projects are the development of a post-industrial "green economy", environmentally friendly energy and transport, non-waste industries, deep processing of natural resources and public and household waste.

Also among the ways to solve global problems, including environmental ones, are:

• legislative definition of nature management norms;
• application of centralized environmental protection measures, for example, common international norms and rules for the protection of the World Ocean, protection of the atmosphere, climate, forests, etc.;
• expansion of international cooperation in solving global problems.

It remains to be hoped that the peoples of South America, who have relatively recently decided on their own civilizational path of development, will be able to find the will and clear intentions to share planetary solidarity and take part in the common cause of joint struggle against threats to all mankind and its natural habitat.

Project on the theme "Environmental problem of North America"
The work was completed by: Sorokin Egor Vasilievich MBOU secondary school No. 2 p Novozavidovsky

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Relevance: A super-volcano under Yellowstone National Park in the US state of Wyoming began to grow at a record speed since 2004 and will explode with a force a thousand times more powerful than several hundred volcanoes all over the earth at the same time.
Purpose: - to learn the history of the national park and to study the danger that could become an environmental disaster. Tasks: - to study the history of the creation of the national park. - to study the sights of the park, representing a possible environmental problem in the future - to find out how this environmental problem threatens the nature of the Earth.

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Yellowstone National Park Yellowstone National Park
Yellowstone National Park, Yellowstone - International Biosphere Reserve, UNESCO World Heritage Site, the world's first national park (founded March 1, 1872). It is located in the USA, in the states of Wyoming, Montana and Idaho. The park is famous for its numerous geysers and other geothermal objects, rich wildlife, and picturesque landscapes. The area of ​​the park is 898.3 thousand hectares. On the vast territory of the park there are lakes, rivers, canyons and caves. Yellowstone Lake, one of the largest high-altitude lakes in North America, is located in the center of the Yellowstone Caldera, the largest supervolcano on the continent. The caldera is considered a dormant supervolcano; it has erupted with tremendous force several times over the past two million years. Most of the park is covered with solidified lava; The park contains one of the five geyser fields in the world.

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Yellowstone Caldera Yellowstone Caldera
Yellowstone Caldera is a volcanic caldera located in a national park in the northwestern United States. After the term "supervolcano" was used in the BBC's non-fiction documentary television series Horizon in 2000, Caldera is located in the northwest corner of Wyoming, which contains most of the national park. The size of the caldera is about 76 km by 38 km, which was determined in the 1960s and 1970s by geological studies by scientist Bob Christiansen of the US Geological Survey (thereby it occupies a third of the territory of the national park).

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About the global problem
According to American volcanologists, the eruption of the largest volcano in the world - the caldera of which is located in Yellowstone National Park, may begin in the near future. The volcano has not erupted for about 640 thousand years and its eruption can destroy two-thirds of the US territory, which may even begin a world catastrophe - Apocalypse 1000 times more powerful than the catastrophic eruption of Mount St. Helena (St. Helens) in Washington State on May 18, 1980.

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According to forecasts of volcanologists, lava will rise high into the sky, ash will cover nearby areas with a layer of 3 meters and a distance of 1600 kilometers. As a result, 2/3 of the US territory may become uninhabitable due to toxic air, millions will die, the rest will have to leave their homes. Experts predict that the volcanic eruption will occur in the near future and will be no less powerful than all 3 times when the volcano has erupted over the past 2.1 million years. Now the magma has come so close to the earth's crust in Yellowstone Park that the earth has risen more than one and a half meters, and in some places it literally radiates heat that cannot be explained by anything other than the upcoming eruption of a huge volcano

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Scheme of the volcano

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As it will be
A few days before the explosion, the earth's crust above the supervolcano will rise by several tens or even hundreds of meters. The soil will warm up to 60-70°С. The concentration of hydrogen sulfide and helium will increase sharply in the atmosphere. The cloud of volcanic ash will be the first to escape, which will rise into the atmosphere to a height of 40-50 km. Then the ejection of lava will begin, pieces of which will be thrown to great heights. Falling, they will cover a gigantic territory. The explosion will be accompanied by a powerful earthquake and lava flows, developing speeds of several hundred kilometers per hour. In the first hours of a new eruption in Yellowstone, an area within a radius of 1000 kilometers around the epicenter will be destroyed. Here, residents of almost the entire American Northwest (the city of Seattle) and part of Canada (the cities of Calgary, Vancouver) are in immediate danger.

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The result of the eruption
Once upon a time, Soviet scientists predicted that the most terrible consequence of a global nuclear conflict would be the so-called. "nuclear winter". The same thing will happen as a result of the explosion of a supervolcano. First, the incessant acid rain will destroy all crops and crops, kill livestock, dooming the survivors to starvation. Two weeks after the sun hides in dust clouds, the air temperature on the earth's surface will drop in various parts of the globe from -15° to -50°C and below. The average temperature on the Earth's surface will be about -25°C. The “billionaire” countries India and China will suffer the most from hunger. Here, in the coming months after the explosion, up to 1.5 billion people will die. In total, every third inhabitant of the Earth will die in the first months of the cataclysm. Winter will last from 1.5 to 4 years. This is enough to change the natural balance on the planet forever. Vegetation will die due to long frosts and lack of light. Since plants are involved in the production of oxygen, it will become very difficult for the planet to breathe. The animal world of the Earth will die painfully from cold, hunger and epidemics. Humanity will have to move from the surface of the earth for at least 3-4 years ...

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Features of the geography of the economy of South America

Economy of the countries of South America

Economy of the countries of South America

The bulk of the population and the most important industries are concentrated in relatively limited areas: either along the coasts in most countries of South America, or in the mountainous interior of Colombia.

The export sector of the modern economy is primarily the mining industry, non-ferrous metallurgy, production and primary processing of agricultural products. Commodities reflecting the specialization of South America in the world economy are oil, iron ore, bauxites, sugar, bananas, coffee (including instant coffee), cocoa, raw hides, cotton, wool, and tropical wood.

Therefore, the main automotive and railways, as well as pipelines from the areas of development of raw industries and agriculture lead to ports. According to them, goods are transported for export mainly to the United States, Western Europe and Japan. Developed countries account for up to 80% of the region's trade turnover.

The manufacturing industry is focused primarily on meeting the needs of the domestic market, which are growing due to the rapid increase in population. It is characterized by a very large territorial concentration: 90% of its capacity is concentrated in about 50 Latin American cities, including approximately 35% in the 3 largest urban agglomerations - Sao Paulo (Brazil), Buenos Aires (Argentina), Mexico City (Mexico).

Environmental problems

Economy. Environmental problems. SA

Until the middle of this century, nothing seemed to threaten the evergreen forests of the Amazon. But the construction of the trans-Amazonian highway led to the possibility of human penetration into the depths of the equatorial forest. Timber harvesting increased, and the threat of destruction loomed over the Amazonian forests.

Tropical agriculture is developing, which leads to the destruction of the original ecosystem. Coffee, cocoa, bananas, pineapples, sugarcane and other crops are grown in equatorial and tropical latitudes.
In subtropical areas with sufficient moisture, other crops predominate: citrus fruits, tea, wheat, corn (in pampas). The lower slopes of the Andes are also used by people for agriculture. Alpine meadows serve as pastures.
The natural complexes in the places of mining have also been greatly changed. Open pit mining can be several kilometers wide. The industrial centers of Sao Paulo and Buenos Aires are among the most polluted cities on the mainland.
In recent years, the struggle to maintain ecological balance has intensified in the countries of South America. It goes in two directions: the first is the development of legislation on nature protection; the second is the creation of national parks and reserves. Currently, there are already more than 300 of them. There are six national parks and eight protected scientific stations in the Amazon alone.

The main ecological problem of the mainland is the reduction in the area of ​​moist equatorial forests associated with the construction of the Trans-Amazon Highway and the predatory felling of valuable tree species. The reduction of equatorial forests can have detrimental consequences not only for the mainland, but for the entire planet. North America --- A very large amount of chemicals are used in agriculture and landscaping (herbicides, pesticides) that end up in rivers and bays.

In South America, there are many environmental problems caused by technological progress and economic development. Forests are being destroyed and water bodies are being polluted, biodiversity is being reduced and soil is being depleted, the atmosphere is being polluted and habitats are shrinking. wildlife. All this can lead to an ecological catastrophe in the future.
In the cities of South American countries, environmental problems of the following nature have formed:

• the problem of unsanitary conditions;
• water pollution;
• the problem of garbage and municipal solid waste disposal;
• air pollution;
• the problem of energy resources, etc.

Deforestation problem

A significant part of the mainland is covered with tropical forests, which are the lungs of the planet. Trees are constantly cut down, not only to sell timber, but also to create farmland and pastures. All this leads to a change in the forest ecosystem, the destruction of some species of flora and the migration of fauna. To save the forest, many countries regulate logging activities at the legislative level. There are entire zones where it is prohibited, forests are being restored and new trees are being planted.

Problems of the hydrosphere

There are many problems in the coastal areas of the seas and oceans:

• overfishing;
• water pollution with garbage, oil products and chemicals;
• housing and communal and industrial effluents.

All these wastes negatively affect the state of water bodies, flora and fauna.

In addition, many rivers flow through the mainland, including the largest river in the world, the Amazon. The rivers of South America are also affected by human activities. Many species of fish and animals are disappearing in the waters. The life of local tribes, who have lived on the banks of rivers for millennia, has also become very complicated, they are forced to look for new habitats. Dams and various structures have led to changes in river regimes and water pollution.

Biosphere pollution

The source of air pollution are greenhouse gases emitted by vehicles and industries:

• mines and deposits;
• enterprises of the chemical industry;
• oil refineries;
• energy facilities;
• metallurgical plants.

Soil pollution contributes to agriculture, which uses pesticides, chemical and mineral fertilizers. The soil is also depleted, which leads to soil degradation. Land resources are being destroyed.

The countries of South America are at a higher level of development compared to other developing countries. In recent years, the economies of Latin America have been growing faster than the world average. One of the main reasons is that the South American countries have gone through a longer path of sovereign development. A certain role was played by economic management, reforms, high prices for raw materials, which contribute to the prosperity of the region. At present, the South American countries are not able to fully independently develop a diversified economy and are largely economically dependent on the developed countries of the world. Significant differences remain between individual countries. The economy of Brazil, Argentina, Venezuela is more in line with the level of developed countries. In Bolivia, Paraguay and a number of other countries, the level of economic development is lower.

South American industry

Hydropower resources contribute to the construction of the world's largest hydroelectric power plants: Itaipu on the Parana River, Guri in Venezuela, Tucurui in Brazil. Part of the electricity is generated at thermal and nuclear power plants. Non-ferrous metallurgy is the leading industry in Chile, Peru
and Bolivia.

More than 2,000 power plants operate in Brazil. These are mainly hydroelectric power plants, which produce 75% of electricity. Thermal, solar, wind and nuclear power plants account for 25% of electricity generated.

In the countries of South America, the manufacturing industry is developing most dynamically. Modern enterprises of new industries have appeared here. But a relatively diversified industry has been created only in two South American countries - Brazil and Argentina.

In Brazil and Argentina, the automotive and aviation industries are developed, there are nuclear power plants, large ferrous metallurgy plants, computers and military equipment are produced. The manufacturing industry is focused primarily on meeting the needs of the domestic market, which are growing due to the rapid increase in population. Production is located in cities with a favorable geographical position, the availability of a skilled workforce (Sao Paulo, Buenos Aires, Rio de Janeiro) and in places where fuel or raw materials are available (for example, Carajas in Brazil).

The machine-building complex is developing not only in Argentina and Brazil, but also in Venezuela, Chile, Colombia, and Peru. Buenos Aires, Cordoba (Argentina), Sao Paulo, Belo Horizonte (Brazil) became its most important centers.

The main branch of mechanical engineering is transport engineering. Cars are produced in Brazil, Argentina, Venezuela. Shipbuilding and aircraft building (Brazil), agricultural engineering (Brazil and Argentina) are developing. The aerospace industry, microelectronics - in Brazil, robotics, nuclear industry - in Argentina are developing. The chemical and petrochemical industry has been developed in Brazil and Argentina. In the world economy, the role of exporters of mineral raw materials and agricultural products is assigned to the South American states. Each country specializes in the export of raw materials and products on which its well-being depends. In the mining industry, oil production in Venezuela, Argentina, Ecuador, and Colombia stands out. The extraction of iron, copper, nickel ores is the basis of the mining industry in Brazil, Venezuela, Chile, and Peru. Brazil is also rich in manganese ore and bauxite. Huge reserves of copper ore are concentrated in Chile and Peru. Bolivia is famous for its tin mining. Precious metal ores are mined in Colombia, Brazil, Peru.

Of particular importance are areas of new development in the deep parts of some countries.

The largest of them is created in the Venezuelan Guayana. It is based on the electric power industry and metallurgy. Iron ore is mined in an open pit, and a significant part of it is exported.

Agriculture occupies an important place in the economy of South America. Crop production dominates in the structure of agriculture. The largest area is occupied by areas where traditional food crops are grown: corn, rice, millet, legumes, sweet potato.

The "face" of South America in world agriculture is determined by tropical crops grown on large plantations. The most important of these are sugar cane, coffee, cocoa, bananas and cotton. Arabica coffee produced in Colombia is of especially high quality. Most of the wheat crop comes from Argentina and Brazil. Some countries and areas mainly produce only one crop (monoculture countries). Animal husbandry has a meat direction, but at the same time, the production of milk and dairy products is increasing. Argentina is the second largest beef exporter in the world. In Brazil, poultry farming is developing, and its products are exported. (See the thematic map for agricultural development areas.) Brazil employs about 70% of the population in the service sector.

South America Transport

The leading role in transportation is occupied by road transport. The most important highways are the Pan-American and Trans-Amazon Highways. Air and rail transport is of great importance. One of the highest railways in the world from Lima to Orio crosses the Andes at an altitude of 4818 m.

External economic relations are carried out mainly with the help of maritime transport. Raw materials, fuel, and agricultural products predominate in the export of South American countries.

The countries of South America supply coffee, cocoa, cotton, meat, wheat, sugar, citrus fruits to the world market. Chile exports copper, Peru - lead and copper, Bolivia - tin, Jamaica - bauxite. Projects are being created for assembling enterprises of modern Belarusian equipment in Latin America.

Environmental issues in South America

The growth of large industrial centers in South America is causing serious environmental problems that are characteristic of urban areas around the world. These are the low quality of drinking water, air pollution, and the accumulation of solid waste.

In terms of area of ​​territories with undisturbed nature, South America ranks second after Antarctica. But under the influence of economic activity, the forest area is declining.

The Amazon in the Southern Hemisphere is considered one of the main areas of deforestation. Oil extraction in the thick of the Amazon rainforest, iron ore in the Guiana and Brazilian plateaus required the construction of transport routes in inaccessible areas. This led to population growth, deforestation, expansion of arable and pasture land. The destruction of forests leads to the destruction of the soil, a decrease in the number of animals. Forest fires are a big problem. In South America, about 40% of tropical forests have disappeared.

In recent years, the struggle to maintain the ecological balance in nature has intensified in the countries of South America. One of the areas of nature protection is the creation of national parks and reserves. More than 700 protected areas have been established on the mainland. A large area is occupied by the San Joaquin National Park in Brazil, where the most valuable forests of the Brazilian araucaria are protected. The furry spider monkey, the spectacled bear, and breeding grounds for sea turtles are also protected here. Known national parks Iguazu in Brazil, Manu in Peru.

The growth rates of the economic development of the countries of South America are ahead of the world average. The countries of South America are characterized by a decrease in the share of agriculture in GDP and an increase in the share of industry. The development of the economy is facilitated by the huge reserves of natural resources, the availability of labor resources, and the expansion of integration.

served as a source of accumulation environmental knowledge. There is a growing awareness everywhere that humanity is destroying the environment and undermine their own future. Environmental Problems … Pollution… We can often hear these words today. Really, ecological The state of our planet is deteriorating by leaps and bounds. modern civilization exerts unprecedented pressure on nature. Humanity is now on the brink of a global ecological catastrophes to prevent...

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  economy” Topic: “World global Problems » CONTENTS Introduction 3 Problem security and peace 4 Environmental Problems 5 Irrational nature management 6 Problem waste 8 Demographic problem 12 Raw materials and energy resources 14 Food problem 16 Conclusion 20 References 21 Introduction The globalization of economic activity has led to the fact that Problems about which the world community ...

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• Environmental problems of the Amazon River

  Abstract on the discipline "About access to ecological information" on the topic " Environmental Problems rivers of the Amazon Minsk 2015 Let's start with the great Amazon, which is rightfully called the "queen of rivers", because it is the largest basin in the world in terms of size. Despite its impressive size (length - 6992 km), the Amazon is very vulnerable and suffers from destructive human activities. Currently, up to 60 dams are planned to be built on the Brazilian part of this river alone. Such projects... |

  methodology of geoecological education»»

Features of the geography of the economy of South America

Economy of the countries of South America

Economy of the countries of South America

The bulk of the population and the most important industries are concentrated in relatively limited areas: either along the coasts in most countries of South America, or in the mountainous interior of Colombia.

The export sector of the modern economy is primarily the mining industry, non-ferrous metallurgy, production and primary processing of agricultural products. Commodities reflecting the specialization of South America in the world economy are oil, iron ore, bauxites, sugar, bananas, coffee (including instant coffee), cocoa, raw hides, cotton, wool, and tropical wood.

Therefore, the main roads and railways, as well as pipelines from the areas of development of raw industries of industry and agriculture, lead to ports. Through them, goods are transported for export mainly to the United States, Western Europe and Japan. Developed countries account for up to 80% of the region's trade turnover.

The manufacturing industry is focused primarily on meeting the needs of the domestic market, which are growing due to the rapid increase in population. It is characterized by a very large territorial concentration: 90% of its capacity is concentrated in about 50 Latin American cities, including approximately 35% in the 3 largest urban agglomerations - Sao Paulo (Brazil), Buenos Aires (Argentina), Mexico City (Mexico).

Environmental problems

Economy. Environmental problems. SA

Until the middle of this century, nothing seemed to threaten the evergreen forests of the Amazon. But the construction of the trans-Amazonian highway led to the possibility of human penetration into the depths of the equatorial forest. Timber harvesting increased, and the threat of destruction loomed over the Amazonian forests.

Tropical agriculture is developing, which leads to the destruction of the original ecosystem. Coffee, cocoa, bananas, pineapples, sugarcane and other crops are grown in equatorial and tropical latitudes.
In subtropical areas with sufficient moisture, other crops predominate: citrus fruits, tea, wheat, corn (in pampas). The lower slopes of the Andes are also used by people for agriculture. Alpine meadows serve as pastures.
The natural complexes in the places of mining have also been greatly changed. Open pit mining can be several kilometers wide. The industrial centers of Sao Paulo and Buenos Aires are among the most polluted cities on the mainland.
In recent years, the struggle to maintain ecological balance has intensified in the countries of South America. It goes in two directions: the first is the development of legislation on nature protection; the second is the creation of national parks and reserves. Currently, there are already more than 300 of them. There are six national parks and eight protected scientific stations in the Amazon alone.

The main ecological problem of the mainland is the reduction in the area of ​​moist equatorial forests associated with the construction of the Trans-Amazon Highway and the predatory felling of valuable tree species. The reduction of equatorial forests can have detrimental consequences not only for the mainland, but for the entire planet. North America --- A very large amount of chemicals are used in agriculture and landscaping (herbicides, pesticides) that end up in rivers and bays.

TOPIC 2. South America

§ 24. Modern environmental problems of the mainland. World natural heritage sites

Remember:

1. When did Europeans begin to actively populate South America?

2. What are cultural and natural heritage sites?

Environmental problems. Active economic activity in South America began in the XVI century. in connection with the colonization of the mainland by Europeans. The largest contemporary environmental problems are: the destruction of the Amazonian forests, the plowing of the savannah, the pampas, the trampling of the grass cover by numerous herds of domestic animals, the impoverishment of vegetation and wildlife; soil erosion, the growth of desert areas, pollution of rivers, seas, air in mountainous areas, and the like.

The development of land as agricultural land in many areas of South America has led to changes in the natural environment. The pampas have been plowed almost completely, forests have been cut down in the tropical woodlands, and many animals have been exterminated. The fate of the Amazon forests is of particular concern (Fig. 63). Construction of the Trans-Amazon Highway and beyond

the development of this area is accompanied by predatory deforestation and burning of forests over vast territories. Such human activity significantly disrupts the natural balance, threatening to change the natural environment not only in equatorial forests, but also in neighboring natural zones (reduction in precipitation, shallowing of rivers, soil erosion, depletion of vegetation and wildlife).

Rice. 63. Deforestation of the Amazon. Photo from space

Concerned about the rapid destruction of forests, the Brazilian government decided to create the first major reserve in the Amazon.

Tropical agriculture is developing on the territory of South American countries, which significantly disrupts natural ecosystems. In equatorial and tropical latitudes, coffee trees, bananas, pineapples, sugar cane and the like are intensively grown. In subtropical regions - citrus fruits, tea, wheat, corn and the like. The lower slopes of the Andes are also used in agriculture, and the high mountain meadows are used as pastures.

Significantly changing natural complexes in areas of mining. During open pit mining, open pit mines can be several kilometers wide. The industrial centers of São Paulo and Buenos Aires are the mainland's polluted cities.

Recently, the struggle for the preservation of the environment has intensified in the countries of South America. The legislation on nature protection is being improved, national parks and reserves are being intensively created. Now there are more than 300 of them on the mainland. In the Amazon, 6 national parks and 8 scientific stations and reserves have been created. The area of ​​protected areas in South America is almost 1%.

Objects of the World natural heritage. 13% of the monuments are located on the territory of Latin America and the Caribbean countries (among them 90 - cultural heritage, 36 - natural heritage, 3 - mixed type). Let's talk about some of them.

On the territory of the Iguazu National Park in Argentina, there are waterfalls "Devil's Throat" (Fig. 64). Depending on the water level in the Iguazu River, there are from 160 to 260 waterfalls in the park. More than 2,000 species of plants grow around and 400 species of birds live.

Glacier Perito Moreno located in the National Park of Argentina (Fig. 65). The glacier is one of the most interesting tourist sites in the Argentinean part of Patagonia and the third largest in the world after Antarctica and Greenland.

Rice. 64. Devil's Throat Waterfalls

Rice. 65. Perito Moreno Glacier

Research

Natural wonders of South America

Using various sources of information, take a virtual tour of the unique natural sites of South America. Prepare a story (presentation) about one of them. Present your message to your classmates. Draw unique natural features on the outline map of South America.

Questions and tasks

1. Name the environmental problems of South America. What are they related to?

2. What environmental problems of the mainland can become global problems of the world?

3. Name the famous UNESCO-listed World Natural Heritage Sites on the mainland.

4. What ways of preserving natural heritage sites can be in our time?

Working with map and atlas

Find on the physical map areas of the mainland where environmental problems have arisen. Label them on a contour map.

Explorer Page

Suggest your own ways of solving environmental problems in South America.

Interesting fact

The Centenary Bridge (ill. 66) crosses the Panama Canal. It was put into operation in 2004 in honor of the 100th anniversary of Panama's independence. The bridge was constructed in 29 months, the cost of construction work is almost 120 million dollars. Its height is 80 m, length is 1 km 52 m.

Rice. 66. Bridge of the Century