global warming


Definition of global warming 

: an increase in the earth's atmospheric and oceanic temperatures widely predicted to occur due to an increase in the greenhouse effect resulting especially from pollution

Examples of global warming in a Sentence

World leaders will address the problem of global warming.

Recent Examples on the Web

Recent studies back that up; analyses of Hurricane Harvey, for instance, reported that 15 percent or more of the rainfall could be attributed to global warming. Rachel Becker, The Verge, "How humans are transforming the hurricanes of the future," 14 Nov. 2018 One small boon of global warming: temperatures in southern England now match those of the French wine-growing region of Champagne in the 1960s. Tyler Wetherall, Condé Nast Traveler, "Kent Is Poised to Be the U.K.'s Napa Valley," 14 Sep. 2018 Eventually, however, carbon dioxide released during the impact led to global warming. Tereza Pultarova,, "Dino-Killing Asteroid Impact Warmed Earth's Climate for 100,000 Years," 24 May 2018 Hot off the United Nations warning us about the impending effects of global warming, Cities: Skylines is getting an Industries expansion—like the polar opposite of last year’s Green Cities utopia. Hayden Dingman, PCWorld, "This week in games: Walking Dead resurrected, Baldur's Gate 3 rumors, Into the Breach done quick," 12 Oct. 2018 While the Obama administration and Democrats saw the Clean Power Plan as a crucial component in international efforts to curb global warming, Republicans have long claimed those regulations went too far and were too costly. Fox News, "Trump EPA overhauls Obama-era regulations for coal-fired power plants," 21 Aug. 2018 Trump has reversed many of the federal policies underpinning the U.S. commitment to deal with global warming, seeking to incentivize coal production even as market factors have driven rapid-fire growth in renewables. Justin Worland/pueblo, Time, "How One Industrial City Is Fighting to Go Green," 12 July 2018 Alas, reefs are perishable, vulnerable to ocean acidification, overfishing and global warming, which provoke a chain of events that bleaches coral dead white. The Economist, "The secret life of fish," 10 May 2018 The huge volcanoes erupting in Siberia belched thousands of tonnes of carbon dioxide into the atmosphere, setting off a chain reaction that involved global warming, acid rain, and loss of oxygen from the sea bed. Collin Eaton, Houston Chronicle, "The numbers behind the Permian spotlight at OTC," 1 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'global warming.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of global warming

1952, in the meaning defined above

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Last Updated

11 Dec 2018

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Time Traveler for global warming

The first known use of global warming was in 1952

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More Definitions for global warming

global warming


English Language Learners Definition of global warming

: the recent increase in the world's temperature that is believed to be caused by the increase of certain gases (such as carbon dioxide) in the atmosphere

global warming


Kids Definition of global warming

: a warming of the earth's atmosphere and oceans that is thought to be a result of air pollution

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