1. Unit4 Global warming

2. The temperature is higher. … has caused/ result in/ led to this phenomenon. The phenomon is due to/ because of …

3. Para _ -_ THE EARTH IS BECOMING WARMER – BUT DOES IT MATTER? Reading The passage is mainly about ______ and ______ of global warming and it is written by _________ from the magazine __________. 2 56 7 causeseffects Sophie Armstrong Earth Care

4. How has the global warming come about? causes 1. human activities 2. natural phenomenon 3. burning of fossil fuels 4. greenhouse gases 5. carbon dioxide 6. greenhouse effect 7. extra carbon dioxide 8. heat energy It is the ______________ that directly causes the phenomenon. Conclusion: extra carbon dioxide

5. All scientists subscribe to the view that global warming is due to the burning of fossil fuels. A. be for B. be against C. be indifferent to ( quote ( ) Janice Fosters explanation to make the description convincing.

6. The levels of carbon dioxide have ________ greatly. increased The global temperature is ______________. rising/ going up

7. 1.Buy frozen meat 2.Fly to travel 3.Turn up the heat to warm in the winter 4.Turn on the computer all the day 5.… other causes

8. effects Does it matter? Dr. Janice FosterGeorge Hambley thinks the trend which increase the temperature by 5 degrees would be a ____________ considers more carbon dioxide is a __________ thing. catastrophe positive No one knows the effects.

9. Homework: Micro-blog Bella: It is human activity that has caused this global warming. Comments from Sam: The global warming resulted in the hurrican in America this November. Comments from … (causes & effects)

10. Reuse the past Recycle the present Save the future Slogan It is human beings who can make a difference.

11. Homework: Write an article about the causes and effects of global warming to call for attention to the earth protection.