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trap heat from the sun carbon dioxide, methane, water vapour What is greenhouse effect? The different ideas between Dr. Janice Foster George Hambley Dr. Janice Foster George Hambley Carbon dioxide has caused the global temperature to __________. The trend which increases the temperature by 5degrees would be a ____________ . Any warming will be _____ with few bad environmental consequences. More carbon dioxide is a __________ thing. go up catastrophe mild Whose idea do you subscribe to? positive results of greenhouse effect advantages disadvantage advantage disadvantage 1. 2. 3. 1. 2. Make plants grow quicker Crops will produce more Encourage a greater range of animals a rise of several metres in the sea level. severe storms, floods, droughts, famines, the spread of diseases and disappearance of species catastrophe Make life for human being better The 15th United Nations Climate Change Conference (COP15) is taking place in Copenhagen from the 7th to the 18th of December, 2009. Role play You can talk: The greenhouse effect The global warming, its effect We shall do something about global warming. … If you are a speaker of the Copenhagen Climate Change Conference, your partner is a journalist. Please focus on the topic of Global Warming to make a dialogue. 1. Read the passage again and review the new words and expressions. 2.Surf the Internet for more information about global warming. Homework Why did the girl’s ice-cream go away? Global warming Who stop the sun go back? Greenhouse gases Do you know what is greenhouse gases? Why do the greenhouse gases result in global warming? Trap the heat from the sun, warm the earth. As we know, the earth is becoming warmer and warmer, but could we just put huge ice block into the sea to reduce global warming? 6. What is the relationship between the two graphs? with the carbon dioxide increasing in the atmosphere, the temperature increased. * * * Unit 4 Global Warming Why did the gir
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