greenhouse gas

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greenhouse gas (countable and uncountable, plural greenhouse gases)

  1. Any gas, such as carbon dioxide, methane, or CFCs, that contributes to the greenhouse effect when released into the atmosphere.
    Hyponyms: water vapor, carbon dioxide, methane, nitrous oxide, NOx, ozone, CFC, HCFC, HFC
    Termites and cows account for much greenhouse gas.
    Only two greenhouse gases get much attention.
    • 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.
    • 2023 March 22, 'Industry Insider', “Restoring Your Railway”, in RAIL, number 979, page 68:
      The consequences were catalogued by the Royal Commission for Environmental Pollution in 1994, which recommended several measures to constrain the emission of greenhouse gases.

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