Greenhouse Gases

The four main greenhouse gases are carbon dioxide (CO2), methane (CH4), nitrous oxide(N2O) and fluorinated gases. They basically act like a blanket around the earth to keep it warm. In 2010, according to the Environmental Protection Agency, CO2 represented 84% of the U.S, Greenhouse Gas emissions, CH4 10%, N2O 4% and fluorinated gases 2%.

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