1. Unit Saving the earth

2. Air pollution

3. water pollution

4. waste pollution

5. deforestation

6. The area of desert
is growing.
desertification

7. Noise pollution

8. War and violence

9. starvation

10. diseases

11. What can we do to solve the problems?
air pollution
water pollution
waste pollution
deforestation
desertification
noise pollution
war and violence
starvation
disease
poverty
What can we do to solve the problems?

12. Deforestation Desertification Effects Cause bad weather (sandstorm).
Lands or montains turn into desert.
Cause starvation.
Causes
Cut too much wood.
Rich surface soil will be blown away by wind or washed by rain down to hills and into rivers.
Sollutions
Use less wood .
Plant more new trees. /Try to make desert areas become green land.

13. Rubbish/waste pollution
Effects
Make the environment ugly,dirty and even dangerous.
Cause diseases.
Causes
Throw rubbish in the streets or in nature.
Buy products that use too much packaging.
Sollutions
Throw waste in rubbish bins.
Buy products that use less packaging.
Recycle as much as possible.

14. Air pollution Effects Make people get sick or even die.
Make the environment dirty.
Cause acid rain(酸雨).
Causes
Factories,power stations,cars,air
conditioners give off waste gas.
Burn coal and oil.
Sollutions
The harmful smoke should be made harmless before it goes into the air.
Ride bikes more.
Limit the number of cars./Make cars that don’t pollute the air.

15. starvation Effects Cause society problems:violence, crime…
Many people die.
Causes
Wars
Uneven distributions of wealth
Lack of education
Sollutions
No wars
Rich countries should help people
who can’t get enough food or education.

16. Water pollution Many people don’t have enough clean drinking water.
Effects
Many people don’t have enough clean drinking water.
Make people get sick.
Causes
Factories pour waste into rivers/lakes/seas.
People throw rubbish into rivers/lakes.
Sollutions
Use new technology to make sure that factories are green and clean.
Clean the water in the rivers/lakes.
Save water in our daily life.

17. We can reduce the amount of garbage/rubbish by
producing and buying products that use less
packaging or wrapping. We should never throw
rubbish in the streets or in nature. We should also
try to recycle as much as possible
Waste from factories and cities should be stopped.
We can use new technologies to deal with the waste
water. We should also be more careful with our
water, try to use less and recycle as much water
as possible.

18. Problems
Solutions

19. make laws
plant trees
basket
rubbish
take bike
recycle batteries

20. Proposals 1.More stores recycle batteries. 2.Plant trees every year.
3.Ride bikes to work.
4.Students study environmental issues in school.
5.Use the handkerchief instead of the paper napkin.(纸巾）
6.Use paper bags instead of plastic bags.

21. 7. Go to work on foot or by bike not by car.
8. Throw cans, bottles, paper and plastic into the dustbin.
9. Don’t use one-off chopsticks , lunch-boxes
or disposable cups.
10. Don’t send post-cards, but send electronic cards by .

22. 11. Don’t throw rubbish everywhere.
12. Don’t make a lot of noise.
13. Don’t waste water.
14. Don’t waste electricity.
15. Don’t destroy trees or grass.

23. 16.Throw waste into rubbish bins;
17.We must save our food. We should get as much
food as we need.
18.Never throw rubbish into rivers or lakes.
19.We must save paper.
20.Use both sides of every piece of paper.
21.Recycle paper or cans.
22.Buy products that use less package.

24. Goodbye

25. Welcome to the Earth Summit
Unit Saving the earth
Welcome to the Earth Summit
reading

27. What can we do to solve these problems? air pollution water pollution
waste pollution
deforestation
desertification
noise pollution
What can we do to
solve these problems?
war and
violence
incurable
disease
poverty and
starvation

28. Earth Summit: summit (地球峰会)
meeting between the heads of two or more countries
summit
the highest point; top of a mountain

29. Welcome to the
Earth Summit!

30. listening two 1. How many earth summits are mentioned in the passage?
2. What are the following numbers related to?
3,000,000
7,000,000
20%
3. In which areas is air pollution a very serious problem?
two
Air pollution alone causes almost
three million deaths.
The big three cause more than
seven million deaths every year.
20% of the people on earth do not have access
to clean drinking water.

31. Air pollution is a big problem in rural areas
3. In which areas is air pollution a very
serious problem?
Air pollution is a big problem in rural areas
and it is also a big problem in very large cities,
especially in developing countries.

32. PartⅠ(1) PartⅡ (2~3) PartⅢ (4~6) PartⅣ( 7)
Please read the text carefully , then match the main idea with each part.
A. The meaning of the Earth Summit.
PartⅠ(1)
PartⅡ (2~3)
B. Education is the key to
the solutions for the future.
PartⅢ (4~6)
C. The beginning of the Earth Summit and the purpose of holding it.
PartⅣ( 7)
D. The topics of the Earth Summit.

33. Competition Details reading
Try your best to find out the answers to the following questions. Each correct answer can add one point to your group. The group who gets the most points will win.
Group 1
Group 3
Group 4
Group 2

34. 1. When and where was the first Earth Summit held?
Para. 1
1. When and where was the first Earth Summit held?
In 1972 in Stockholm, Sweden.
2. What’s the purpose of the first Earth Summit?
To share ideas about ways to take better care of the earth.

35. 3. Where was the 2002 Earth Summit held?
In Johannesburg in South Africa.
4. What’s the main theme of this Earth Summit?
Sustainable development.

36. the three biggest killers in the world
Para. 2
5.What’s the “big three”?
①contaminated drinking water
the three biggest killers in the world
②poor sanitation
③air pollution

37. 6.What do we mean by saying
“sustainable development”?
How we can continue
developing the world without
damaging the environment.

38. 7. How many people die from the “big three” every year?
More than seven million.
8. How many people die from air pollution every year?
Almost three million.

39. 9. What other problems were talked about in the meeting?
Para.3
9. What other problems were talked about in the meeting?
Poverty, war and violence.

40. That rich people get richer while the poor get poorer.
10. Global development is necessary.
At the same time, global development
has bad effect(影响) on us. In the text,
what’s the bad effect?
That rich people get richer while
the poor get poorer.

41. 11. How to solve this problem that rich people get richer while the poor get poorer?
Rich countries have a responsibility
towards poor countries and must do whatever they can to help the poor countries.

42. Para.4:
12. How can we save the earth?
Only by changing the way we live
can we save the earth.

43. Para.4-6:
13. Do you think the Earth Summit is meaningful and helpful? Why?
①To help people understand that there exists serious problems and that there is still time to take action.
②To make people know that if all of us
make small changes, we could make a
big difference.
③To tell us what we can do to help.

44. Education. Para. 7 most important thing in the future?
14. In order to solve the problem, what’s the
most important thing in the future?
Education.

45. 15. Why is education so important?
With better education, people will be able
to build a better society in harmony with nature and perhaps put an end to the death and suffering caused by the big three.

46. Competition Details reading
Try your best to find out the answers to the following questions. Each correct answer can add one point to your group. The group who gets the most points will win.
Group 3
Group 4
Group 1
Group 2

47. summary Use the useful expressions and phrases we learned in
the text to fill the blanks.

48. The Earth Summit is an international big meeting
dealing with serious problems on the earth. The first
Earth Summit in 1972 is to share ideas about ways
to ________________the earth. One of the main themes of
the Earth Summit in 2002 was “______________________”.
Most of the speakers in the summit talked about the
“big there”, the three _________________ in the world---
________________________,poor sanitation and _________.
The Earth Summit helps people understand there
exist ________________ and that there is still time to
__________ It can also tell us what we can do to help.
___________ is the key to the future. With better education,
people will be able to build a better society ______________
nature and perhaps ________________ the death and
suffering caused by the big three. If the world becomes less
unfair and if people can get better education, much of the
poverty can be __________.
take better care of
sustainable development
biggest killers
contaminated drinking water
air pollution
serious problems
take action
Education
in harmony with
put an end to
wiped out

49. TALKING Imagine that you’re taking part in a United
nations youth programme aimed at improving
and protecting the environment. Your
group has been asked to decide
which problem is the most
important and suggest
ways of dealing with it.

50. Goodbye Man has but one earth!
To save the earth is to save man himself!
Goodbye

51. Congratulations!

52. True or false F F F 3. In the world, developing countries can
In 1972, the United Nations held a meeting in Stockholm, Sweden to share ideas about how we can save the earth.
ways to take
better care of the earth.
2. In Johannesburg, experts from all over the world spoke about different topics and discussed new ways to solve the problems facing our planet now. F
old problems
In the world, developing countries can
prosper on their own.
Without international cooperation, developing
countries cannot prosper, nor will sustainable
development be possible. F