Reading 人教选修6 Unit4 Global Warming greenhouse What is the greenhouse made and used for? A greenhouse is made of glass and is used for growing plants, especially during cold weather. greenhouse gases What’s greenhouse effect? greenhouse effect Unit 4 Global Warming Read the text quickly and find the answer to the questions: Scanning 1.Who wrote the magazine article? What is the name of the magazine? 2.What are the names of the three scientists mentioned in the article? Sophie Armstrong, Earth Care. Dr Janice Foster, Charles Keeling, George Hambley. 3. What do they think about global warming? Do they agree with one another? They don't agree with each other.