Greenhouse Gases: Climate Change, Lines of Evidence: Chapter 3

The National Research Council is pleased to present this video that explains how scientists have arrived at the current state of knowledge about recent climate change and its causes. This is part three of a seven-part series, available on the National Academies channel.
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The Greenhouse Effect can be defined as a natural process when certain gases in the atmosphere trap infrared radiation of the environment. Like a greenhouse keeps its inside temperature warmer,the greenhouse effect makes the planet warmer, The greenhouse effect is caused by greenhouse gases.The most important greenhouse gases are: water vapor, carbon dioxide, and methane.


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