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greenhouse effect |
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greenhouse effect, a theorized change in the earth's climate caused by accumulation of solar heat in the earth's surface and atmosphere. Human activity contributes increasing amounts of the so-called greenhouse gases, such as carbon dioxide, methane, and chlorofluorocarbon, to the atmosphere. Some of the particles and gases in the atmosphere also allow more sunlight to filter through to the earth's surface but reflect much of the radiant infrared energy that otherwise would escape through the atmosphere back into space. See also global warming. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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To summarize, the extensively studied and well-known greenhouse effects of carbon dioxide are so strong that, combined with its persistence in our atmosphere, we can reasonably conclude that the increasing atmospheric concentration of carbon dioxide from human activity is very likely the dominant driver of global warming, and the warming effects will probably become worse with time for several decades, even after the emission rate has subsided. 2] exaggerates the greenhouse effects, leading to a warmer world--and potentially big changes for the planet. But farmers and beachfront dwellers aren't the only individuals likely to suffer directly from greenhouse effects, scientists reported last week. |
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