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The Greenhouse Effect and Global Warming Global temperature is the result of a balance between heat received from the sun and heat radiated back into space. The earth's atmosphere forms a protective layer, keeping some - but not all - of the sun's heat in. The Greenhouse effect is the gradual increase in global temperature as the result of increased emissions of gases such as carbon dioxide and methane, into the atmosphere. The result? Global Warming. The sun's rays enter the Earth's atmosphere, heat is reflected back from the planet's surface. Most of the heat radiates into space. The level of greenhouse gases, such as carbon dioxide and methane, is therefore normal. However, Global Warming presents another process. The sun's rays enter the Earth's Atmosphere, heat is reflected back from the planet's surface, but more heat is trapped and the Earth's temperature rises due to increased levels of greenhouse gases. An Inconvenient Truth was a...

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