EARTH

Lake Baikal

DunhuangGebi China

India

Mediterranean Sea

Germany

USAAlska

Russia

Task: Find the places on the map of the world where the damage has happened.

Earth

Dunhuang used to be a great city

1.increase cattle

2.rain fail to come 3.not kill cattle

4.grass eaten up

1.trees cut down

2.rain falling

3.soil washed down

4.soil blown away

Dunhuang has become a desert

Cattle problem Soil lost

Air

Reasons Year Country Bad results

Germany

Russia

India

Air pollution

Chemical rain

A cloud of radiation

by the year

1986

in 1984Dangerous gas

2,500 people killed(injured, lost their sight)

125,000

people died

50% of trees damaged

in 1986

Water

Water pollution

examples places bad results

The Mediter-ranean

Lake Baikal

An oil tank hit a

rock in 1989

between Europe and Asia

1. no longer safe for swimming

2. not safe to eat the fish

no longer 700 kinds of

plant and animal life living

1. more than 34,000 birds killed

3. 4,800 square kilometres

polluted

2. 10,000 animals killed

in Asia

northwest coast of Alaska

1. Many parts of the world with large population and plenty of crops have become desert.

2. Land may become poor if farmers do not limit their cattle.

3. Good soil is gradually lost these days as trees are being cut down.

4. Air pollution and water pollution are the two causes of problem that many parts of the world have become desert.

5. Chemicals in the smoke from power stations can travel hundreds of miles before falling down to the ground.

6. After a bad accident at a nuclear power station, 50%of the trees in Germany were damaged.

7. The writer uses the examples of the accidents in both India and Russia to explain how water is polluted.

8. Once oceans are polluted, they are not able to clean themselves.

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Dunhuang used to be a great city

1.increase cattle

2.rain fail to come 3.not kill cattle

4.grass eaten up

1.trees cut down

2.rain falling

3.soil washed down

4.soil blown away

Dunhuang has become a desert

Cattle problem Soil lost

Discussion:

What do you think we should do to protect our earth?

Saving the

earth !