Thursday, December 3, 2009

What is the Greenhouse Effect?

The term greenhouse is used in conjunction with the phenomenon known as the greenhouse effect.
-Energy from the sun drives the earth’s weather and climate, and heats the earth’s surface;
-In turn, the earth radiates energy back into space;
-Some atmospheric gases (water vapor, carbon dioxide, and other gases) trap some of the outgoing energy, retaining heat somewhat like the glass panels of a greenhouse;
-These gases are therefore known as greenhouse gases;
-The greenhouse effect is the rise in temperature on Earth as certain gases in the atmosphere trap energy.

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