Презентация по английскому языку на тему "Ecological problems" (8 класс)

Ecological problems: Man and Nature.

ONLY WHEN ALL THE RIVERS HAVE RUN DRY AND ALL THE FISH IN THE SEA HAVE DIED ONLY WHEN ALL THE RAINFORESTS HAVE BEEN BURNT DOWN AND THERE IS NO FOOD FOR THE ANIMALS ONLY WHEN ALL THE BLUE SKIES HAVE BEEN FILLED WITH SMOKE AND THE CITIES OF THE WORLD HAVE CHOKED WILL THE WHITE MAN UNDERSTAND THAT IT’S TOO LATE TO SAVE THE EARTH. ONLY WHEN ALL THE RIVERS HAVE RUN DRY AND ALL THE FISH IN THE SEA HAVE DIED ONLY WHEN ALL THE RAINFORESTS HAVE BEEN BURNT DOWN AND THERE IS NO FOOD FOR THE ANIMALS ONLY WHEN ALL THE BLUE SKIES HAVE BEEN FILLED WITH SMOKE AND THE CITIES OF THE WORLD HAVE CHOKED WILL THE WHITE MAN UNDERSTAND THAT IT’S TOO LATE TO SAVE THE EARTH.

AI R P O LL U TI O N  AIR POLLUTION IS A VERY SERIOUS PROBLEM. 600 CITIES OF RUSSIA HAVE DIRTY AIR. MORE AND MORE FACTORIES, ELECTRIC POWER STATIONS, CARS AND TRUCKS ADD THEIR BAD BREATH TO THE AIR. IN MANY BIG CITIES AIR IS FILLED WITH “SMOG”. AIR POLLUTION IS A VERY SERIOUS PROBLEM. 600 CITIES OF RUSSIA HAVE DIRTY AIR. MORE AND MORE FACTORIES, ELECTRIC POWER STATIONS, CARS AND TRUCKS ADD THEIR BAD BREATH TO THE AIR. IN MANY BIG CITIES AIR IS FILLED WITH “SMOG”. AIR POLLUTION

 The air looks brown. Every year world industry pollutes the atmosphere with about 1000 million tons of dust and other harmful substances. One locomotive pollutes the air as much as 40-50 cars do. Polluted air is bad not only for people and animals, but for trees and plants. The air looks brown. Every year world industry pollutes the atmosphere with about 1000 million tons of dust and other harmful substances. One locomotive pollutes the air as much as 40-50 cars do. Polluted air is bad not only for people and animals, but for trees and plants.

Acid rain  When plants burn coal to make electricity, and when cars burn gasoline, invisible gases get into the air. Sometimes the gases get into rain clouds, where they mix with rain or snow. It is called acid rain. Acid rain is very harmful to plants, rivers and lakes, forests. Also, the wind blows the air around. So, sulfates from one place can fall as acid rain many miles away.

Ac id ra in Acid rain

Water pollution  Many companies dump chemical and nuclear waste into water. The Mediterranean is already nearly dead; the North Sea is following. The Aral Sea is on the brink of extinction. Half of the lakes and rivers in the world are polluted by litter. Many companies dump chemical and nuclear waste into water. The Mediterranean is already nearly dead; the North Sea is following. The Aral Sea is on the brink of extinction. Half of the lakes and rivers in the world are polluted by litter. Water pollution

If nothing is done about it, one day nothing will be able to live in the seas and rivers. If nothing is done about it, one day nothing will be able to live in the seas and rivers.

There is no life without water. Man can live without clothes, without shelter, and even for some time without food. Without water he soon dies. There is no life without water. Man can live without clothes, without shelter, and even for some time without food. Without water he soon dies.