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Chapter 3 Environment The greenhouse effect 温室效应 use disposable chopsticks Question: Is our world safe or danger? Questions: 1.What pollutions do you know? 2.. What causes our Earth to be in danger? What are environmental problems? The greenhouse effect Destruction of rainforests Bad habits Environmental problems: Reading 1. What causes our Earth to be in danger? The greenhouse effect, the destruction of rainforests and our bad habits. b. Answer the following questions according to the review. Yes, it will. Because it will cause the level of seas to rise and drown cities and even countries. 2. If the atmosphere keeps in too much heat, will it be harmful to Earth? Why or Why not? 3. What are the causes of the greenhouse effect? People polluting the atmosphere with chemicals and the burning and cutting down of trees. Yes, they do. People throw away as many as ten billion bottles in the UK every year! 4. Do the writers of the book give an example of those bad habits that cause pollution? If so, what is it? We can become ‘green consumers’ and only buy and use ‘environmentally friendly’ things. 5. What can we do to save Earth from danger? a. Based on your reading of the review, choose the correct answers. Read and think 1. The writers of the book compare the atmosphere to ______. a. a greenhouse b. an ordinary house c. the glass of a greenhouse 2. Because of pollution, _______. a. not enough sunlight is reaching Earth b. too much heat is kept in Earth c. too enough heat is leaving Earth 3. The greenhouse effect causes the level of seas to _____. a. rise b. fall c. remain the same 4. If we cut down more trees, the green- house effect will be ______. a. worse b. better c. the same 5. Many people use things only once and then throw them away. This _____ rubbish. a. reduces b. helps clean c. produces 6. The book encourages young people to __. a. protect the environment more b. buy more things c. Learn more about Earth Answers: 1.The atmosphere around Earth. 2. It lets sunlight in and keeps much of the warmth from getting out. 3. Our atmosphere is changing. 4. It will cause the level of seas to rise and drown cities and even countries. 5.People pollute the atmosphere with chemicals and the burningand cutting down of trees. III. 1.The burning and cutting down of trees. 2. Because trees can help hold soil together and soil absorbs water when it rains. 3. 1.) take in harmful gases 2) hold soil together IV. 1. using things once and then throwing them away. 2. It pollutes our land and seas. 3. We should sort through our rubbish. V. 1.The book suggests we become green consumers. 2. Green. 3. We can only buy and use ‘environmentally friendly’things. … What can we do to save Earth from danger? 1.only buy and use ‘environmental friendly’ Things 2.Sort through rubbish 3. Recycle glass, plastic, paper and metal 4. Use reusable bags for shopping 5.Do not use disposable chopsticks 6. Be less wasteful with paper and plastic 7. Be less wasteful with paper and plastic 8. Turn off lights when you leave 9. Walk or cycle for a short journey How green are you? Interview your classmates to answer the questionnaire below. Circle their answers,add up the score and then check the total with the analysis below. Then produce a short report for your group How green are you? Analysis Score 0-4 You have not started turning green yet! 5-9 You are pale green. Try harder. 10-14 You are medium green. Keep going. 15- 19 you are bright green. Well done! . This is our report on the_________ questionnaire.The average score for our group was______.This means that we______________ We scored the most points for questions_______.We scored the fewest points for questions_______ B Produce a short report for your group. How green are you 8 need to try harder7 and 8 3.5 and 6 1. Do you recycle A: newspapers? 1 B: tins? 1 C: plastic bags? 2 2. When you make a short journey, do you A: walk or cycle? 3 B: go by car? 0 C: go by public transport? 1 How can we do? 3. What type of bags do you use for shopping? A: reusable ( e.g., basket ) 3 B: reused plastic 1 C: new plastic 0 4. How many pieces of electrical equipment are used in your kitchen? A: 10 or more 0 B: 5 to 9 1 C: below 5 2 5. Do you make sure that lights and other electrical equipment are switched off when not needed? A: nearly always 2 B: seldom 1 C: never 0 6. Do you use disposable chopsticks? A: often 0 B: seldom 1 C: never 2 7. Do you use paper tissues? A: often 0 B: seldom 1 C: never 2 8. Do you usually take? A: a bath 0 B: a shower 1 Individual activity How to protect our environment We have realized that the environment is important to us. How can we protect our environment? First, we should _________________, and we couldn’t ___________________________. Second, we _____________________________. Third , we ____________________________. …