Презентация, доклад на тему Ecological problems

Содержание

1. Ecological problems
2. The protection of nature has become
3. Since ancient times Nature has served Man,
4. With the development of civilization man's interference
5. The most polluted is air, water and
6. The level of water treatment is
7. Air pollution is a problem the 21st
8. Deforestation Vast forests are cut and burn
9. Land Contamination of soils also occur as
10. The most horrible ecological disaster befell Ukraine
11. Take care of nature - it is our home
12. Презентацию подготовили:Липинская АнастасияГалимуллина Александра

The protection of nature has become one of the most burning problems of the 21th century.

Слайд 1 " The protection of nature has become one of the most

burning problems of the 21th century."

Слайд 2 The protection of nature has become one of the most burning

problems of the 21th century.

Слайд 3Since 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.

Since ancient times Nature has served Man, being the source of his life. For thousands of years

Слайд 4 With the development of civilization man's interference in nature began to

increase. The by-products of people's activity pollute the air we breathe, the water we drink, the land we grow grain and vegetables on. With the development of civilization man's interference in nature began to increase. The by-products of people's activity pollute the air we breathe, the water we drink, the land we grow grain and vegetables on.

With the development of civilization man's interference in nature began to increase. The by-products of people's activity

Слайд 5The most polluted is air, water and land now. People dont

think about the consequences of their activities. We must solve environmental problems without harming nature.

The most polluted is air, water and land now. People dont think about the consequences of their

Слайд 6 The level of water treatment is extremely low By water

pollution distinguished: chemical physical (thermal, radiation); biological (microbial). To ensure the required water status of natural water bodies need to develop and implement measures to protect water.

The level of water treatment is extremely low By water pollution distinguished: chemical physical (thermal, radiation);

Слайд 7Air pollution is a problem the 21st century. Main pollutants are

emissions to air pollutants. The government must control of gases emission, which damage the ozone layer.

Air pollution is a problem the 21st century. Main pollutants are emissions to air pollutants. The government

Слайд 8Deforestation 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.

Deforestation Vast forests are cut and burn in fire. Their disappearance upsets the oxygen balance. As a

Слайд 9 Land Contamination of soils also occur as a result of agricultural

practices, pesticides pesticide residues unused fertilizer.

Слайд 10The most horrible ecological disaster befell Ukraine and its people after

the Chernobyl tragedy in April 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.