Thursday, January 29, 2009

Global Warming

A person told me yesterday that global warming is just a big joke and it doesn't really exist. Do some brief research (10 to 15 minutes) on global warming and answer the 3 following questions:

1. What is global warming?
2. Why do people think that it is something that is just a joke and doesn't really exist?
3. What do you think?

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