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 latest report shows how the adoption of heat pumps, and a greater share of more fuel-efficient and electric vehicles on the road, continues to drive down greenhouse gas emissions in the residential buildings and transportation sectors, according to officials.
—Stephen Underwood, Hartford Courant, 27 Apr. 2026
Factors like greenhouse gas emissions, production methods, and energy sources are difficult even for industry professionals to fully assess—let alone everyday consumers.
—Angela Velasquez, Footwear News, 27 Apr. 2026
Simply put, the law requires state and local agencies to study the effects significant new projects will have on wildlife, noise, air pollution, greenhouse gas emissions, traffic and other factors.
—Paul Rogers, Mercury News, 27 Apr. 2026
Shareholders rejected the only shareholder proposal, to adopt targets to measurably reduce greenhouse gas emissions, and report on that annually.
—Dylan Sherman, Arkansas Online, 27 Apr. 2026
See All Example Sentences for greenhouse gas
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Stephen Underwood, Hartford Courant, 27 Apr. 2026
Factors like greenhouse gas emissions, production methods, and energy sources are difficult even for industry professionals to fully assess—let alone everyday consumers.
—Angela Velasquez, Footwear News, 27 Apr. 2026
Simply put, the law requires state and local agencies to study the effects significant new projects will have on wildlife, noise, air pollution, greenhouse gas emissions, traffic and other factors.
—Paul Rogers, Mercury News, 27 Apr. 2026
Shareholders rejected the only shareholder proposal, to adopt targets to measurably reduce greenhouse gas emissions, and report on that annually.
—Dylan Sherman, Arkansas Online, 27 Apr. 2026
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 2 May. 2026.
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