GHG or ghg may stand for:
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General Healthcare Group, a British healthcare company
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George H. Goble (also known as "ghg"), staff member at Purdue University
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Greenhouse gas
Greenhouse gases (GHGs) are the gases in the atmosphere that raise the surface temperature of planets such as the Earth. Unlike other gases, greenhouse gases absorb the radiations that a planet emits, resulting in the greenhouse effect. T ...
, a gas that absorbs and emits radiant energy at thermal infrared wavelengths, causing the greenhouse effect
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Gruppenhorchgerät'', a hydrophone array which was used on Nazi Germany's U-boats
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Marshfield Municipal Airport (Massachusetts) (FAA LID: GHG), a public airport located east of the central business district of Marshfield
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