Ecology and polution

Our world is coming to self-destruction very fast. People don’t think what they do to their nature which feeds and cares about them. The ecology has become a very important problem of our all. There are so many people using the natural resources of the world. The increase of pollution made society change its attitude towards nature.
Many countries have established a Ministry of environment. Ecology as a subject has been introduced in many educational institutions. People have begun to understand they must follow the laws of nature and consider themselves as a part of it. Because until now we acted to the nature very unmercifully, nearly everything on the earth is badly polluted.
There are several problems of air pollution which should be distinguished.
First of them is the ozone layer. It is a thin veil high above the earth’s atmosphere. It protects the earth from the sun’s destructive rays. This protective layer is being damaged by chemicals, which are released into the atmosphere by the industrial and household goods. The chemicals attack the ozone, thinning or even making a hole in the ozone layer. This hole allows the ultraviolet rays to penetrate to the earth.
Second problem is acid rains. The smoke from...

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