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Презентация, доклад по английскому языку Ecological problems
Содержание
- 1. Презентация по английскому языку Ecological problems
- 2. Since ancient times Nature has served Man,
- 3. Large cities with thousands of smoky industrial enterprises appear all over the world today.
- 4. The by-products of their activity pollute the
- 5. Every year world industry pollutes the atmosphere
- 6. Vast forests are cut and burn
- 7. The most horrible ecological disaster befell Ukraine
- 8. Environmental protection is of a universal concern.
- 9. The international organisation Greenpeace is also doing much to preserve the environment.
- 10. But these are only the initial steps
Since ancient times Nature has served Man, being the source of his life. For thousands of years people lived in harmony with environment and it seemed to them that natural riches were unlimited. But with the
Слайд 2Since ancient times Nature has served Man, being the source of
his life. For thousands of years people lived in harmony with environment and it seemed to them that natural riches were unlimited. But with the development of civilization man's interference in nature began to increase.
Слайд 4The by-products of their activity pollute the air we breathe, the
water we drink, the land we grow grain and vegetables on.
Слайд 5Every year world industry pollutes the atmosphere with about 1000 million
tons of dust and other harmful substances. Many cities suffer from smog.
Слайд 6 Vast forests are cut and burn in fire. Their disappearance
upsets the oxygen balance. As a result some rare species of animals, birds, fish and plants disappear forever, a number of rivers and lakes dry up.
Слайд 7The most horrible ecological disaster befell Ukraine and its people after
the Chernobyl tragedy in April 1986.
A great damage has been done to the agriculture, forests and people's health. The consequences of this explosion at the atomic power-station are tragic for the Ukrainian, Byelorussian and other nations.
Слайд 8Environmental protection is of a universal concern. That is why serious
measures to create a system of ecological security should be taken.
Some progress has been already made in this direction. As many as 159 countries — members of the UNO — have set up environmental protection agencies.
Слайд 10But these are only the initial steps and they must be
carried onward to protect nature, to save life on the planet not only for the sake of the present but also for the future generations.
