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Essay example - Greenhouse Effect and Global Warming
Pages 3 (753 words)
The Greenhouse Effect is the result of an interplay between the contents of our atmosphere and solar radiation. Our atmosphere is made of many different types of gasses. Nitrogen, oxygen and carbon dioxide are the principal ones. There are other gasses that can be found in trace amounts, such as ozone and methane that play an important role…
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Some of the radiation is altered by the ozone layer, which inhibits ultraviolet radiation from passing directly to the surface to the earth. Much of the radiation that makes it to earth is absorbed and stored as heat in oceans and other large bodies of water. Radiation that strikes portions of the earth with a high albedo, such as solar ice caps and glaciers is reradiated back out into space. In fact, ultimately, the vast majority of solar radiation that enters the atmosphere is destined to be reradiated back into space. But a small percentage of that radiation gets trapped in the atmosphere as it tries to bounce back into space. Certain gasses, such as carbon dioxide and methane act to trap the radiation, causing the atmosphere to retain the radiation as heat. This warming of the earth’s atmosphere as a result of trapped radiation is called The Greenhouse Effect. Gasses such as carbon dioxide and methane are called greenhouse gases, due to their tendency to trap radiation, which causes the atmosphere to stay warm. Without The Greenhouse Effect, life on earth would be very different and impossible for humans. The Greenhouse Effect is directly related to the phenomenon known as Global Warming or Global Climate Change. The earth’s atmosphere is constantly changing. ...
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