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Unit 9 Saving the earth Unit 9 Saving the earth

Air pollution Air pollution

water pollution water pollution

waste pollution waste pollution

deforestation deforestation

The area of desert is growing. desertification The area of desert is growing. desertification

Noise pollution Noise pollution

War and violence War and violence

starvation starvation

diseases diseases

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

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

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

Air pollution Effects Causes Sollutions Make people get sick or even die. Make the Air pollution Effects Causes Sollutions Make people get sick or even die. Make the environment dirty. Cause acid rain(酸雨). Factories, power stations, cars, air conditioners give off waste gas. Burn coal and oil. 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.

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

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

We can reduce the amount of garbage/rubbish by producing and buying products that use 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.

Problems Solutions Problems Solutions

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

Proposals 1. More stores recycle batteries. 2. Plant trees every year. 3. Ride bikes 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.

7. Go to work on foot or by bike not by car. 8. Throw 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 e-mail.

11. Don’t throw rubbish everywhere. 12. Don’t make a lot of noise. 13. Don’t 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.

16. Throw waste into rubbish bins; 17. We must save our food. We should 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.

Goodbye Goodbye

Unit 9 Saving the earth Welcome to the Earth Summ reading Unit 9 Saving the earth Welcome to the Earth Summ reading

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

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

Welcome to the Earth Summit! Welcome to the Earth Summit!

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

3. In which areas is air pollution a very serious problem? Air pollution is 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.

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

Details reading Competition Try your best to find out the answers to the following Details reading Competition 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 2 Group 3 Group 4

Para. 1 1. When and where was the first Earth Summit held? In 1972 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.

3. Where was the 2002 Earth Summit held? In Johannesburg in South Africa. 4. 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.

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

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

7. How many people die from the “big three” every year? More than seven 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.

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

10. Global development is necessary. At the same time, global development has bad effect(影响) 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.

11. How to solve this problem that rich people get richer while the poor 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.

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

Para. 4 -6: 13. Do you think the Earth Summit is meaningful and helpful? 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. To make people know that if all of us make small changes, we could make a big difference. ② To tell us what we can do to help. ③

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

15. Why is education so important? With better education, people will be able to 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.

Details reading Competition Try your best to find out the answers to the following Details reading Competition 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 2 Group 3 Group 4

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

The Earth Summit is an international big meeting dealing with serious problems on the 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 take better care of ________the earth. One of the main themes of sustainable development the Earth Summit in 2002 was “___________”. Most of the speakers in the summit talked about the biggest killers “big there”, the three _________ in the world--contaminated drinking water ____________, poor sanitation andair pollution _____. The Earth Summit helps people understand there exist ________ and that there is still time to serious problems _____. It can also tell us what we can do to help. take action ______ is the key to the future. With better education, Education in harmony with people will be able to build a better society _______ put an end to 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 wiped out poverty can be _____.

TALKING Imagine that you’re taking part in a United nations youth programme aimed at 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.

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

Congratulations! Congratulations!

True or false 1. 1. In 1972, the United Nations held a meeting in True or false 1. 1. In 1972, the United Nations held a meeting in Stockholm, Sweden to share ideas about how we can save ways to take the earth. 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. old problems 3. In the world, developing countries can Without international cooperation, developing countries cannot prosper, nor will sustainable prosper on their own. development be possible.