1.Go through the 1 st paragraph and answer: (1)Where is this text from? (2)Who wrote this text? 2. Skim the text and get the main idea. A. When the “greenhouse effect” started B. What causes the “greenhouse effect” C. Dr. Janice Foster’s theory on the “greenhouse effect” D.The fact that the earth is becoming warmer and different theories about it. Sophie Armstrong A magzine named Earth Care

Part one: Part two: Part three: Part four: Introduce a debate over the issue of global warming. How global warming comes about. No one knows what the effects of global warming will be. para.1 para. 2-5 para. 7 para. 6 Two different attitudes among scientists towards global warming. Match the main idea of each paragraph

Para. 1 What’s the function of the question “So how has this come about and does it matter?”? To introduce the topic. main idea of each partwriting techniques (Paragraph 1) Introduce a debate over the issue of global warming. raising a question

Para. 2 What’s the cause of global warming according to Para. 2? What caused the increase in the earth’s temperature? What is “greenhouse effect”? Is “greenhouse effect” good or bad?

main idea of each partwriting techniques (Paragraphs 2-5) Illustrate how global warming comes about. Giving examples, using graphs, explanation. What are the two graphs about?

Graph 1 shows the temperature increase of one degree Fahrenheit between 1860 to Graph 2 shows the carbon dioxide content in the atmosphere from 1957 to Graph 1: Graph 2: What are the graphs for? To illustrate points by providing evidence.

Para. 6 Good things global warming brings to us: 1. Make plants grow faster 2. Crops will produce more 3. Encourage a greater range of animals What about bad things global warming brings to us? 1. A rise of several metres in the sea level 2. Severe storms, droughts, famines, the spread of diseases and the destruction of species.

(Paragraph 6) List two different attitudes among scientists towards global warming. Giving examples, making contrast.

main idea of each partwriting techniques (Paragraph 7 ) It’s up to readers to think and decide whether people should do something about global warming or not. Using a question, leaving readers to think over the issue.

True or false? The temperature in the last century didn’t seem to increase much. Everyone believes that global warming is caused by the activities of humans. Janice Foster believes she can measure the future global rise in temperature. The rise in carbon dioxide is causing a steady increase in global warming. George Hambley believes that global warming will do good rather than harm to the earth. It is clear what the effects of global warming will be.

The author probably agrees that __. A. Actually global warming is good for man. B. We should do nothing about the global warming. C. Catastrophes will happen if the globe keeps on warming. D. A lot remains to be found out about the effects of global warming.

What can we do about global warming?

1.Who are the writers of the letters? Ouyang Guang and the editor of Earth Care. 2.What’s the purpose of Ouyang Guang’s letter? To get some suggestions for what he can do about global warming. Read Ouyang’s and answer:

3.What are Ouyang Guang’s two concerns? The first is that he feels that individual cannot have any effect on huge environmental problems. The second is that he is not sure where to start with his project. A.He is doing a project on global warming. B. He feels individuals can affect huge environmental problems. C. He isn’t sure where to start with his project. D. He wants to get some suggestions from Earth Care. 4.Which is not the reason why Ouyang Guang writes the letter?

1.Does Earth Care agree with Ouyang Guang’s opinion that individuals can have no effect? No, Earth Care doesn’t agree. Read Earth Care’s reply and answer: 2.What suggestions does Earth Care give him? Turn electrical appliances off when not using them. Don’t turn up the heat, put on more clothes. Walk or ride a bike, don’t drive. Recycle. Buy things made from recycled materials. Buy products that use less energy. Plant trees. Talk with family and friends about global warming.

3. List Earth Care’s suggestions and tell whether you think you can carry them out. Earth Care’s suggestionsCarry out 1. Turn electrical appliances off when not using them. 2.Don’t turn up the heat, put on more clothes. 3. Walk or ride a bike, don’t drive. 4.Recycle. 5. Buy things made from recycled materials. 6. Buy products that use less energy. 7. Plant trees. 8. Talk with family and friends about global warming.

4.Which is not true according to the editor’s letter? A.Together, individuals can make a difference to environmental problems. B. Individuals must put up with pollution. C. Many activities individuals do can produce carbon dioxide. D. Individuals can save energy to slow down global warming.

Translate the following words into English: 图表 图表 现象 现象 燃料 燃料 影响 影响 灾难 灾难 副产品 副产品 数据 数据 气候 气候 每 陈述 陈述 范围 范围 干旱 干旱 graph phenomenon fuelper data catastrophe climate consequence state range byproduct drought

与 … 比较 与 … 比较 发生 发生 大量的 大量的 导致 导致 增加 增加 毫无疑问 毫无疑问 继续 继续 物种的灭绝 物种的灭绝 compare to come about huge quantities of result in build up There is no doubt that … keep on the destruction of species

同意 同意 由于 由于 从。。吸收 从。。吸收 往往 往往 上升 上升 反对 反对 大范围 大范围 subscribe to Be due to Trap…from Tend to go up Be opposed to A great range of

Part 1. Listen and decided which statements does Professor Keeling NOT agree with? 1.We should stop depending on fossil fuels for our energy. 2.90% of our energy comes from fossil fuels. 3.We can replace fossil fuels with cleaner sources of energy. 4.Nuclear power is a good source of energy. Listening P31 Fossil fuels and other forms of energyAgree Agree Disagree Disagree

Part 1: Take notes of Julie’s answers. Listening P62 Questions to JulieHer answers What is Millennium Kids? Who started it? When? Why was it organized? What play did they perform last year? What was the purpose of performing the play? to explain why an organization by kids and for kids; concerned with the environment for students in Australia; in 1996 to draw attention to the environment The Horse that Saved the World it’s better for the environment if we walk to school, ride bikes or go by bus

Methods of saving energy Projects that Millennium Kids have done buy new electrical goods 1. buy energy-saving goods plant trees2. heat the house when it gets cold stop using electrical appliances 3. turn off appliances when not using them buy energy-saving goods turn off appliances when not using them planted trees developed activities that reduce, reuse and recycle waste planned ways to reduce, recycle and reuse plastic bags. Part 2: Ex. 3.

300,000 volunteers The fist Clean Up Australia Day 1990 Facts about the eventEventYear most common kinds of rubbish: cigarette butts, glass bottles and plastic bags Clean Up Australia Day ,000 volunteers, collected old car bodies, plastics, glass bottles, cigarette butts Clean-up Day for Sydney Harbour 1989 He was shocked at the pollution in the ocean. Ian Kierman completed in a round-the-world yacht race 1987 Listening P65 Part 1: How Ian Kierman__________________________ 300,000 volunteers The fist Clean Up Australia Day most common kinds of rubbish: cigarette butts, glass bottles and plastic bags 40,000 volunteers, collected old car bodies, plastics, glass bottles, cigarette butts Clean-up Day for Sydney Harbour He was shocked at the pollution in the ocean. Ian Kierman completed in a round-the-world yacht race began Clean-up Australia Day

YearEventFacts about the event the first Clean Up the World Day 30 million volunteers in 80 countries Clean Up Australia Day 40 million volunteers in 128 countries; cleaned streets, beaches, river banks and parks Listening P65 Part 2: Clean-up the World Day and Ian Kierman’s __________to improving the environment Year 40 million volunteers in 128 countries; cleaned streets, beaches, river banks and parks Clean Up Australia Day million volunteers in 80 countries the first Clean Up the World Day 1993 contribution

coal oil natural gas wind (wind power) sun (solar energy) water (hydro-electric power) uranium (nuclear energy) plant waste the sea (tidal energy) hot springs (geothermal ( 地热的 ) energy) Where does all this energy come from?

2. Should we do anything about global warming? 1. Do you think the risks of global warming are great? Debate We should do something about global warming. We should do nothing about global warming. Group A : Group B :

What else should our government do to slow down global warming? In our daily life, we can do these things :

1. Give money to green the surroundings and protect the forests.

2. Encourage people to find and use more renewable energy.

rare plants rare animals 3. Make laws to punish factories that produce too much CO2.

1.Turn off the tap when cleaning your teeth. 2. Recycle paper and glass. 3. Walk or cycle everywhere. 4. Turn off the lights when your are not in the room. 5. Get something repaired rather than buy a new one. 6. Use both sides of a sheet of paper. 7. Try not to use one-time-use box/cup/chopsticks. 8. Take a bag with you when you go shopping. 9. Use rechargeable ( 可充电的 ) batteries. 10. Use products that save energy. 11. Let the air-condition remain 26 ℃. In our daily life, we can do these things :

Interview: Have you ever used plastic bags to store something in your daily life ? It is reported that plastic bags will not be given free of charge from June 1, What will you use to take the place of plastic bags when shopping? What are the advantages of not using plastic bags?

Reading task p.66Questions: 1.How many cigarettes are smoked in China each year? 2.How many butts are littered worldwide? 3.How long do you think they last in the environment? 4.What do butts contain? 5.Why do you think they are bad for the environment? 6.How many plastic bags are used in China each year? 7.How long do they last before they break down? 8.What are plastic bags made from? 9.Where do they end up? 10.What do you think the purpose of this essay is?

1.How many cigarettes are smoked in China each year? Over 1,600 billion cigarettes are smoked. 2. How many butts are littered worldwide? About 4.5 trillion butts are littered. 3. What do butts contain? They contain some very toxic chemicals. 4. How long do you think they last in the environment? They take up to 5 years to break down. 5. Why do you think they are bad for the environment?

6. How many plastic bags are used in China each year? 2 billion plastic bags are used every year. 7. How long do they last before they break down? They last from 20 to 1000 years. 8. What are plastic bags made from? They are made from oil and gas, non- renewable resources. 9.Where do they end up? They float in air and water and travel long distance; they find their way to rivers, parks, beaches and oceans. 10.What do you think the purpose of this essay is?