greenhouse gas



greenhouse gas (countable and uncountable, plural greenhouse gases)

  1. Any gas, such as carbon dioxide or CFCs, that contributes to the greenhouse effect when released into the atmosphere.
    Hyponyms: water vapor, carbon dioxide, methane, nitrous oxide, ozone, CFC, HCFC, HFC
    • 2019, George Monbiot, “Cars are killing us. Within 10 years, we must phase them out”, in The Guardian[1]:
      In other sectors, greenhouse gas emissions have fallen sharply. But transport emissions in the UK have declined by only 2% since 1990.
    Only two greenhouse gases get much attention.
    Termites and cows account for much greenhouse gas.


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