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What is Global Warming? (1:21)
What is global warming? Find out in this HowStuffWorks video!
What is the Greenhouse Effect? (1:49)
What is the greenhouse effect? Find out in this HowStuffWorks video!
How Composting Works (1:48)
Building a compost pile allows bacteria to break down all kinds of organic material- from banana peels to newspaper. Learn more about composting and thousands of other topics in this HowStuffWorks video.
What is a Trash Audit? (1:53)
A trash audit is a quick and interesting way to learn about your lifestyle habits, and you'd be surprised how much garbage can be recycled. Learn more about trash auditing, recycling, and composting in this HowStuffWorks video.
What is the Kyoto Treaty? (1:44)
The Kyoto Treaty is an agreement between many nations- although not the United States- to reduce carbon emissions by 5.2%. Learn more about the Kyoto Treaty and the Bonn Compromise in this HowStuffWorks video.

