Защита окружающей среды. Загрязнение воздуха.

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About air. Air is mixed of nitrogen ( N ) and oxygen (O) . In percentage ratio oxygen-21% , nitrogen-78% , other substances-1% .

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The accident in the USA When the Americans decided to clean up the Statue of Liberty in 1986 . The first thing they had to do was to make a hole in her nose and take away the acid rain that had collected inside . The polluted air of New York had mixed with the rain and damaged the Statye badly

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Ultraviolet radiation More and mare often people are told not to be in direct sunlight , because ultraviolet radiation from the sun can cause skin cancer. Normally the ozone layer in the atmosphere protects us from such radiation? But if there are holes in the ozone layer ultraviolet radiation can get to the earth. Many scientist think that these holes are the result of air pollution.

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Nyclear power stations can go wrong and cause nuclear pollution / This happened in Sellafield in BRITAIN , in Japan Fukushima and chernobyl in the former Soviet union. Nuckler pollution cannot be seen but its effects can be terrible Chernobyl Sellafield Problem of nuclear power

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Fukushima

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Conclusion Protect air together! To make air clean again we need good filters at nuclear power stations? At factories and plants and also in cars and buses. C lean air are necessary for our health. If people want to survive they must solve these problems quickly. Man is beginning to understand that his environment is not just his own town or country , but the whole earth. That’s why people all over the world think and speak so much about ecology. Don’t worry , listener. It’s not all off to lose. We can change this situation yet.

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Thank you very much for your listening!