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

On the right, Mike Dunleavy and Mead Treadwell—Republicans who will face off during next month’s primary election—have ardently supported more drilling while at times questioning human’s role in global warming. Kelsey Brugger, Scientific American, "Alaska Wants to Fight Warming While Still Drilling for Oil," 12 July 2018 The global divestment movement has urged universities, pension funds and national sovereign wealth funds to pull their money out of coal, oil and other fuels that contribute to the greenhouse gases responsible for global warming. Somini Sengupta, New York Times, "Ireland Moves to Divest From Fossil Fuels," 12 July 2018 The speed at which global warming is ravaging these vital marine ecosystems leaves scientists struggling with the question of how intensely to intervene. Evan Halper,, "Racing to save Florida’s coral from climate change, scientists turn to a once-unthinkable strategy: ‘assisted evolution’," 9 July 2018 Washington state has been on the forefront of policy to curb greenhouse gas emissions blamed for global warming. Phuong Le, The Christian Science Monitor, "Carbon fee measure poised for Washington State ballot," 3 July 2018 But council members and people who spoke in favor of the resolution rarely talked about climate change or global warming. Steve Harrison, charlotteobserver, "Charlotte City Council approves sweeping pledge to lower carbon emissions," 25 June 2018 However, under a model of severe global warming no amount of uplift could save the ice sheet. David Grossman, Popular Mechanics, "The Bedrock Below West Antarctica Is Rising Shockingly Fast," 25 June 2018 There is also a confusing normalcy that interrupts the global warming narrative. Ned Rozell, Anchorage Daily News, "Warming in the north continues as predicted," 23 June 2018 However scientists from the Tyndall Centre for Climate Change Research confirm that, in the short term, natural gas has three times as much an impact on global warming than carbon dioxide. Karen Zurawski, Houston Chronicle, "Katy close to awarding Pine Forest construction contracts," 18 June 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

16 Oct 2018

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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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