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Environmental Protection.
Naumova Victoriya
9 «А»
2 слайд
Environmental protection, in my opinion, is the most burning problem of today. Nature is something that can not be constructed by man. Once it is gone it is gone forever. It sounds strange, but it is the man (the most intelligent but the most thoughtless animal) that causes most of the problems.
3 слайд
About 2 hundred years ago man lived in harmony with his environment because industry was not greatly developed. Today the situation is rather different, the contradictions between man and nature are acquiring a dramatic character. Newspapers and magazines write about the pollution of the air, of the world's oceans, seas, rivers and lake, and the destruction of the ozone layer.
4 слайд
People of many cities suffer from smog. Industrial enterprises emit tons of harmful substances and they are the main reason for acid rains. Rains, full of add chemicals change lakes, rivers, as well as forests.
5 слайд
Acid water is like vinegar or lemon juice. It hurts when it gets in your eyes. It also kills the plants and animals that usually live in water. That is why various kinds of fish are dying too.
6 слайд
Ecologists and scientists have also proved the negative effects of acid rain on larger animals. They study the relation between living things and their environment and say that this may lead our planet to a global catastrophe.
7 слайд
Other environmental threats are nuclear power stations. Everybody knows how tragic the consequences of Chernobyl disaster are. People began to realize that environmental problems are very close.
8 слайд
The seas are in danger. They are filled with poison: industrial and nuclear waste, chemical fertilizers and pesticides. The Mediterranean is already nearly dead; the North Sea is following. The Aral Sea is on the brink of extinction. If nothing is done about it, one day nothing will be able to live in the seas.
9 слайд
Every ten minutes one kind of animal, plant or insect dies out forever. If nothing is done about it, one million species that are alive today will have become extinct twenty years from now.
10 слайд
Air population is a very serious problem
11 слайд
The problems of ecology have been given more attention in our country lately. The earth is our home. We must take care of it, for ourselves and for the generations to come. This means keeping our environment clean. Each of us must do everything possible to keep the land, the air, and the water clean.
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