1. Words study Global warming Unit 4

2. Reading The Earth is Becoming Warmer ---But Does it Matter?

3. A greenhouse is made of glass and is used for growing plants, especially during cold weather. greenhouse How?

4. We are living in a “green house” ?

5. 1.Who wrote the magazine article? What is the name of the magazine? → Sophie Armstrong, Earth Care. 2.What has caused the global warming?

6. It is human activity that has caused this global warming rather than a random but natural phenomenon.

7. How has global warming come about? greenhouse gasesgases due to the burning of fossil fuels Summary: greenhouse effect the burning of fossil fuels (human activity) result in greenhouse gases (carbon dioxide) greenhouse effect trap heat global warming cause

8. Summary: the burning of fossil fuels (human activity) result in greenhouse gases (carbon dioxide) greenhouse effect trap heat cause CO2 33℃33℃ ? global warming

9. Scientist Dr. Janice Foster An increase of five degrees would be a c____________. atastrophe negative attitude  a rise of the sea level  severe storms,floods droughts  famines & diseases  the disappearance of species Different attitudes

10. Scientist George Hambley Any warming will be mild with _____________________. More carbon dioxide is a positive thing. positive attitude  plants grow quicker  crops produce more  encourage a greater range of animals Life for human beings will be better. few bad consequences Different attitudes

11. Does that mean we should do nothing? Or, are the risks too great? The earth is becoming warmer—But does it matter? What can we do about global warming ?

12. 1. What’s the purpose of writing the e-mail? 2. What is the writer’s wrong attitude towards the problem about global warming? getting some suggestions for what he can do about global warming As an individual, he can have little effect on environmental problems. Individuals can make a difference. Your contribution counts! Slogan:

13. Suggestions: *Turn electrical appliances off when not using them. * Put on more clothes and don’t turn up the heat. * Don’t drive. Instead, walk or ride a bike. * Recycle cans, bottles,plastic bags and newspapers. * Buy things made from recycled materials. * Buy products that use less energy. * Plant trees. * Talk with family and friends about global warming.

14. Charles Keeling made accurate measurements The temperature of the earth will be increasing.