Water vapor , carbon dioxide , methane , and other trase gases in Earth's atmosphere absorb the longer wavelengths of outgoing infrared radiation from Earth's surface . These gases than emit the infrared radiation in all directions , both outward toward space and downward toward Earth .
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Water vapor , carbon dioxide , methane , and other trase gases in Earth's atmosphere absorb the longer wavelengths of outgoing infrared radiation from Earth's surface . These gases than emit the infrared radiation in all directions , both outward toward space and downward toward Earth .