11What can we do to solve the problems? air pollutionwater pollutionwaste pollutiondeforestationdesertificationnoise pollutionwar and violencestarvationdiseasepovertyWhat can we do to solve the problems?
12Deforestation Desertification Effects Cause bad weather (sandstorm). Lands or montains turn into desert.Cause starvation.CausesCut too much wood.Rich surface soil will be blown away by wind or washed by rain down to hills and into rivers.SollutionsUse less wood .Plant more new trees. /Try to make desert areas become green land.
13Rubbish/waste pollution EffectsMake the environment ugly,dirty and even dangerous.Cause diseases.CausesThrow rubbish in the streets or in nature.Buy products that use too much packaging.SollutionsThrow waste in rubbish bins.Buy products that use less packaging.Recycle as much as possible.
14Air pollution Effects Make people get sick or even die. Make the environment dirty.Cause acid rain(酸雨).CausesFactories,power stations,cars,airconditioners give off waste gas.Burn coal and oil.SollutionsThe 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.
15starvation Effects Cause society problems:violence, crime… Many people die.CausesWarsUneven distributions of wealthLack of educationSollutionsNo warsRich countries should help peoplewho can’t get enough food or education.
16Water pollution Many people don’t have enough clean drinking water. EffectsMany people don’t have enough clean drinking water.Make people get sick.CausesFactories pour waste into rivers/lakes/seas.People throw rubbish into rivers/lakes.SollutionsUse new technology to make sure that factories are green and clean.Clean the water in the rivers/lakes.Save water in our daily life.
17We can reduce the amount of garbage/rubbish by producing and buying products that use lesspackaging or wrapping. We should never throwrubbish in the streets or in nature. We should alsotry to recycle as much as possibleWaste from factories and cities should be stopped.We can use new technologies to deal with the wastewater. We should also be more careful with ourwater, try to use less and recycle as much wateras possible.
20Proposals 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.
217. 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-boxesor disposable cups.10. Don’t send post-cards, but send electronic cards by .
2211. 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.
2316.Throw waste into rubbish bins; 17.We must save our food. We should get as muchfood 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.
27What can we do to solve these problems? air pollution water pollution waste pollutiondeforestationdesertificationnoise pollutionWhat can we do tosolve these problems?war andviolenceincurablediseasepoverty andstarvation
28Earth Summit: summit (地球峰会) meeting between the heads of two or more countriessummitthe highest point; top of a mountain
30listening two 1. How many earth summits are mentioned in the passage? 2. What are the following numbers related to?3,000,0007,000,00020%3. In which areas is air pollution a very serious problem?twoAir pollution alone causes almostthree million deaths.The big three cause more thanseven million deaths every year.20% of the people on earth do not have accessto clean drinking water.
31Air pollution is a big problem in rural areas 3. In which areas is air pollution a veryserious problem?Air pollution is a big problem in rural areasand it is also a big problem in very large cities,especially in developing countries.
32PartⅠ(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 tothe 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.
33Competition 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 1Group 3Group 4Group 2
341. When and where was the first Earth Summit held? Para. 11. 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.
353. Where was the 2002 Earth Summit held? In Johannesburg in South Africa.4. What’s the main theme of this Earth Summit?Sustainable development.
36the three biggest killers in the world Para. 25.What’s the “big three”?①contaminated drinking waterthe three biggest killers in the world②poor sanitation③air pollution
376.What do we mean by saying “sustainable development”?How we can continuedeveloping the world withoutdamaging the environment.
387. 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.
399. What other problems were talked about in the meeting? Para.39. What other problems were talked about in the meeting?Poverty, war and violence.
40That rich people get richer while the poor get poorer. 10. Global development is necessary.At the same time, global developmenthas bad effect(影响) on us. In the text,what’s the bad effect?That rich people get richer whilethe poor get poorer.
4111. How to solve this problem that rich people get richer while the poor get poorer? Rich countries have a responsibilitytowards poor countries and must do whatever they can to help the poor countries.
42Para.4:12. How can we save the earth?Only by changing the way we livecan we save the earth.
43Para.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 usmake small changes, we could make abig difference.③To tell us what we can do to help.
44Education. Para. 7 most important thing in the future? 14. In order to solve the problem, what’s themost important thing in the future?Education.
4515. Why is education so important? With better education, people will be ableto build a better society in harmony with nature and perhaps put an end to the death and suffering caused by the big three.
46Competition 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 3Group 4Group 1Group 2
47summary Use the useful expressions and phrases we learned in the text to fill the blanks.
48The Earth Summit is an international big meeting dealing with serious problems on the earth. The firstEarth Summit in 1972 is to share ideas about waysto ________________the earth. One of the main themes ofthe 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 thereexist ________________ 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 andsuffering caused by the big three. If the world becomes lessunfair and if people can get better education, much of thepoverty can be __________.take better care ofsustainable developmentbiggest killerscontaminated drinking waterair pollutionserious problemstake actionEducationin harmony withput an end towiped out
49TALKING Imagine that you’re taking part in a United nations youth programme aimed at improvingand protecting the environment. Yourgroup has been asked to decidewhich problem is the mostimportant and suggestways of dealing with it.
50Goodbye Man has but one earth! To save the earth is to save man himself!Goodbye
52True 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 takebetter 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.Fold problemsIn the world, developing countries canprosper on their own.Without international cooperation, developingcountries cannot prosper, nor will sustainabledevelopment be possible.F