Dr. Janice Foster 　　　　　　George Hambley Carbon dioxide has caused the global temperature to ______. An increase of five degrees would be a_______ and could be _____________. More carbon dioxide is a __________ thing,

which makes crops __________ more

and will encourage _____________. Step 5 Post-reading - discuss

1 We should do something or nothing about global warming.

2 What can we do to reduce the global warming?

Step 6 Writing

Write a short passage about global warming (100-120 words)

Step 7 Summary

Step 8 Homework

1 Finish your writing about global warming.

2 Search for more information about global warming on the Internet.