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 A Russian-owned tanker, built to traverse the frozen waters of the Arctic, completed a journey in record time from Europe to Asia this month, auguring the future of shipping as global warming melts sea ice.— Russell Goldman Debates about stem cells, global warming, and alternative energy might be less contentious if the scientific issues behind them were better understood.— Elizabeth Gettelman The development is also meant to boost tourism in Zermatt, which, like many Alpine towns worried about the effects of global warming on winter tourism, is exploring ways to draw visitors throughout the year.— Jim Rendon … I think it makes a compelling case, at least for most audiences, that humans are the cause of most of the global warming that is taking place, and that unless we take quick action the consequences for our planetary home could become irreversible.— Al Gore

Examples of global warming in a Sentence

Recent Examples on the Web In this case, the study finds in the future the tropical circulation may weaken due to global warming. Jeff Berardelli, CBS News, "Saharan dust cloud cloaks U.S. Gulf Coast in choking haze," 26 June 2020 The lack of sea ice around parts of Antarctica because of global warming may be good news for one species of penguin, a new study suggests. Doyle Rice, USA TODAY, "Global warming good news? Some Antarctic penguins enjoy diminishing sea ice," 25 June 2020 Just as most people agree on how to fight the coronavirus, a large majority of Americans support measures to combat global warming. Harry Cheadle, The New Republic, "America Has Failed the Existential-Crisis Test," 23 June 2020 At the time, not many people were talking about the effect of global warming on the Indus. Brendan Hoffman, National Geographic, "A water crisis looms for 270 million people as South Asia’s glaciers shrink," 16 June 2020 The septuagenarian is involved in activism on several social and diplomatic fronts, such as global warming, nuclear disarmament, and Guantanamo Bay. Mike Brest, Washington Examiner, "'Freaking awful': OANN in turmoil after Trump cites report to claim injured Buffalo protester could be 'antifa provocateur'," 9 June 2020 With global warming affecting forests, as well as insects, observers may see early cicadas in greater numbers. Knvul Sheikh, Scientific American, "Noisy Cicadas Are Widely Misunderstood," 5 June 2020 As global warming has raised temperatures, especially in Arctic latitudes, melting permafrost has become a major problem. USA Today, "Russia declares state of emergency over Arctic Circle oil spill caused by melting permafrost," 5 June 2020 But only 9% have set goals that a research group called Transition Pathway Initiative sees as compatible with the target of keeping global warming since the Industrial Revolution below 2°C. The Economist, "Hotting up How much can financiers do about climate change?," 20 June 2020

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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The first known use of global warming was in 1952

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Last Updated

3 Jul 2020

Cite this Entry

“Global warming.” Dictionary, Merriam-Webster, Accessed 3 Jul. 2020.

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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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