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The Gale Group, Inc's Articles in Environment

  • Global Warming
    Global warming is the theory that average temperatures around the world have begun to rise, and will continue to rise, because of an increase of certain gases in Earth's atmosphere. These gases are called "greenhouse gases" because they trap heat just like a greenhouse. The most plentiful greenhouse gases are water vapor and carbon dioxide. The increase of carbon dioxide in the atmosphere is believed to be the main reason for global warming.

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