Greenhouse gas
GAS IN AN ATMOSPHERE OF A PLANET (USUALLY EARTH) THAT ABSORBS AND EMITS RADIATION WITHIN THE THERMAL INFRARED RANGE AND CAUSES THE GREENHOUSE EFFECT
Greenhouse gases; Green house gas; Greenhouse gasses; Greenhouse Gasses; Greenhouse-gas; Water vapour feedback; Water vapor feedback; Greenhouse Gases; Co2 gases; Greenhouse Gas; Atmospheric lifetime; Green house gases; Green House Gas; Green house gasses; Carbon output; Emissions output; Atmospheric lifespan; GHG emission; Gaseous carbon; Heat trapping gas; GHGs; Annual Greenhouse Gas Index
A greenhouse gas (GHG or GhG) is a gas that absorbs and emits radiant energy within the thermal infrared range, causing the greenhouse effect. The primary greenhouse gases in Earth's atmosphere are water vapor (), carbon dioxide (), methane (), nitrous oxide (), and ozone ().