greenhouse gas
noun
: any of various gaseous compounds (such as carbon dioxide or methane) that absorb infrared radiation, trap heat in the atmosphere, and contribute to the greenhouse effect
Water vapor is an important gas for the study of climate and weather because of its role as a natural greenhouse gas as well as its relationship to clouds and precipitation.—
Mohi Kumar
Mohi KumarScientists now recognize tropospheric ozone—a component of smog—as a greenhouse gas as well as an eye and lung irritant.—Science News
Science NewsWhile it may not be possible to eliminate all greenhouse gas emissions, it is possible to offset some of the emissions that do still occur. Offsetting involves supporting projects that reduce or sequester greenhouse gas emissions in another location.—Tyson Miller
Tyson MillerLivestock emit 14.5 percent of all greenhouse gas emissions each year. Most of that is from cows.—Marley Walker
Marley WalkerExamples of greenhouse gas in a Sentence
Recent Examples on the Web
The forthcoming step, which has the potential to completely transform global trade, comes as part of the bloc's efforts to slash greenhouse gas emissions from heavy industries and promote cleaner production processes across the globe.
—Sam Meredith, CNBC, 30 Sep. 2025
But several Democratic affordability bills drew GOP opposition, notably the extension of the cap-and-trade program aimed at limiting climate-changing greenhouse gas emissions, which critics said would further raise gas prices.
—Michael Smolens, San Diego Union-Tribune, 28 Sep. 2025
The original idea was to provide incentives to sell the vehicles, which reduce air pollution and greenhouse gases.
—Jason Green, Mercury News, 26 Sep. 2025
The comments are part of a broader GOP effort to overturn the Obama-era endangerment finding, which underpins the EPA's regulations on greenhouse gas emissions.
—Connor Giffin, Louisville Courier Journal, 25 Sep. 2025
See All Example Sentences for greenhouse gas
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Sam Meredith, CNBC, 30 Sep. 2025
But several Democratic affordability bills drew GOP opposition, notably the extension of the cap-and-trade program aimed at limiting climate-changing greenhouse gas emissions, which critics said would further raise gas prices.
—Michael Smolens, San Diego Union-Tribune, 28 Sep. 2025
The original idea was to provide incentives to sell the vehicles, which reduce air pollution and greenhouse gases.
—Jason Green, Mercury News, 26 Sep. 2025
The comments are part of a broader GOP effort to overturn the Obama-era endangerment finding, which underpins the EPA's regulations on greenhouse gas emissions.
—Connor Giffin, Louisville Courier Journal, 25 Sep. 2025
See All Example Sentences for greenhouse gas
Cite this Entry
“Greenhouse gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/greenhouse%20gas. Accessed 8 Oct. 2025.
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