Introduction 3

1. The main ecological problems of the world 5

2. Air and water pollution 7

3. Greenhouse effect and the climate warming 12

4. Ecological problems of the lake Baikal and the Aral Sea region 14

5. Solution of ecological problems 22

6. How can a contradiction between the technological progress and ecology be solved? 25

Conclusion. 28

Bibliography 29

We are living in the century of the technological progress trying to open all new and unknown, each day brings us new ideas, each month brings us new technological solutions, people go strait in development new invents and do not look back, do not stop, do not think of the act… All they think about is making their life more convenient for them self. That is why the have forgotten one of the most valuable things- the environment. You see we are living in the symbiosis with nature and we strongly depend on it.

The Earth is the only planet in the solar system where there is life. If you look down at the Earth from a plane you will see how wonderful our planet is. You will see blue seas and oceans, rivers and lakes, high snow-capped mountains, green forests and fields. For centuries man lived in harmony with nature until industrialization brought human society into conflict with the natural environment. Today, the contradictions between man and nature have acquired a dramatic character. With the development of civilization man's interference in nature has increased. Every year the world's industry pollutes the atmosphere with millions of tons of dust and other harmful substances. The seas and rivers are poisoned with industrial waste, chemical and sewage discharge. People who live in big cities are badly affected by harmful discharge from plants and city transport and by the increasing noise level which is as bad for human health as lack of fresh air and clean water.

Among the most urgent problems are the ozone layer, acid rains, global warming, toxic pollution of atmosphere, disappearance of forests, contamination of underground waters by chemical elements, destruction of soil in some areas, threat to some flora and fauna representatives, etc.

In this topic we will try to discuss the most problem in our world - pollutions. The main of them are air, water and the very relevant question nowadays is global warming, because we can see today t

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Примечаний нет.