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Greenhouse Effect and Atmospheric Chemistry

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<strong>Greenhouse</strong> gases<br />

<strong>Greenhouse</strong>gasestraptheemittedinfraredradiationfromearthsurfaceinthe<br />

lower troposphere by atomic or molecular absorption processes, causing a<br />

gradual heating of the lower atmosphere layer.<br />

H 2 O is the most natural occurring greenhouse gas (humidity, clouds). CO 2 is<br />

2 2<br />

primarily an anthropogenic greenhouse gas (industry, traffic). Additional<br />

anthropogenic greenhouse gases are industry produced Chlorofluorcarbons<br />

(CFCs) <strong>and</strong> Hydrofluorcarbons (HCFCs).

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