Part (Para_ to Para_ ) Main idea Part 1 (Para _1_) introduce a debate over the issue of global warming Part 2 (Para _2__ to _4__) illustrate how global warming comes about Part 3 (Para _5__ to 10___) list two different attitudes among scientists towards global warming Part 4 (Para _11__ to ___) It's up to readers to think and decide whether people should do something about global warming or not. Step 5 Debate

Get into groups of six. Decide which three in your group are going to agree with the statement and which three are going to disagree with the statement.

Group A: We shall do something about global warming.

Group B: We shall do nothing about global warming.

Group A discuss why they agree with the statement; Group B discuss why they disagree.

Group A and B get together. Tell each other the reasons why agree or disagree with the statement.

Step 6 Homework

1. Read the passage again and review the new words and expressions.

2. Prepare the debate in groups.

3. Surf the Internet for more information about global warming