Презентация на тему Presentation Ecological problems

Содержание

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.
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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

Large cities with thousands of smoky industrial enterprises appear all over the world today.

The by-products of their activity pollute the air we breathe, the water

Every year world industry pollutes the atmosphere with about 1000 million tons

Vast forests are cut and burn in fire. Their disappearance upsets

The most horrible ecological disaster befell Ukraine and its people after the

Environmental protection is of a universal concern. That is why serious measures

The international organisation Greenpeace is also doing much to preserve the environment.

But these are only the initial steps and they must be carried

Слайды презентации

Слайд 2 Since ancient times Nature has served Man, being

Since ancient times Nature has served Man, being the source of

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 3 Large cities with thousands of smoky industrial enterprises

appear all over the world today.

Слайд 4 The by-products of their activity pollute the air

The by-products of their activity pollute the air we breathe, the

we breathe, the water we drink, the land we

grow grain and vegetables on.

Слайд 5 Every year world industry pollutes the atmosphere with

Every year world industry pollutes the atmosphere with about 1000 million

about 1000 million tons of dust and other harmful

substances. Many cities suffer from smog.

Слайд 6 Vast forests are cut and burn in

Vast forests are cut and burn in fire. Their disappearance

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 7 The most horrible ecological disaster befell Ukraine and

The most horrible ecological disaster befell Ukraine and its people after

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 8 Environmental protection is of a universal concern. That

Environmental protection is of a universal concern. That is why serious

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.