EARTH Lake Baikal Dunhuang Gebi China India Mediterranean Sea Germany USA Alska Russia Task: Find...
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Transcript of EARTH Lake Baikal Dunhuang Gebi China India Mediterranean Sea Germany USA Alska Russia Task: Find...
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EARTH
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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.
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Earth
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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
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Air
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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
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Water
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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
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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.
T
T
T
F
F
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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
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Discussion:
What do you think we should do to protect our earth?
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Saving the
earth !