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

Air conditioners are an increasing perpetrator of global warming. David Grossman, Popular Mechanics, "Could We Re-Engineer A/Cs To Help Battle Climate Change?," 30 Apr. 2019 What the resolution also does is set out two major problems to address: global warming, but also rampant inequality. Bridget Read, Vogue, "Alexandria Ocasio-Cortez’s Green New Deal Resolution Gets Support From the Major 2020 Democratic Presidential Candidates," 7 Feb. 2019 So many things can weigh on a young woman’s mind: dicey career prospects, rising rents, global warming, the current political situation—does anyone really want to worry about ovarian reserve? Kim Brooks, Harper's BAZAAR, "The New Frontier of Fertility Tests—for Young Women," 1 Nov. 2018 Environmentalists argue that the funding won't tackle the main threat to the reef, global warming. Rod Mcguirk, Fox News, "Australia to release budget with looming election in mind," 7 May 2018 Subsequent to announcing his candidacy, Jay Inslee spoke openly that global warming will be the key issue for him in the 2020 presidential campaign. Roxanne Adamiyatt, Town & Country, "Everything You Need to Know About Potential Future First Lady Trudi Inslee," 10 Apr. 2019 The team notes that recent global warming also hasn’t been a setback for the ancient trees. National Geographic, "Oldest European Tree Found—And It's Having a Growth Spurt," 25 May 2018 After all, the president once outed himself as an anti-vaxxer and said global warming was a hoax manufactured by the Chinese. Jack Holmes, Esquire, "This Trump Adviser Has a Plan for Avoiding the Flu: Be Christian," 7 Feb. 2018 The 2015 Paris Agreement was a landmark moment in international diplomacy, bringing together governments with vastly different views to tackle global warming. Binaj Gurubacharya, The Seattle Times, "Third of Himalayan glaciers can no longer be saved: study," 6 Feb. 2019

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.

See More

First Known Use of global warming

1952, in the meaning defined above

Keep scrolling for more

Learn More about global warming

Statistics for global warming

Last Updated

15 May 2019

Look-up Popularity

Time Traveler for global warming

The first known use of global warming was in 1952

See more words from the same year

Keep scrolling for more

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

Keep scrolling for more

More from Merriam-Webster on global warming

Spanish Central: Translation of global warming

Nglish: Translation of global warming for Spanish Speakers Encyclopedia article about global warming

Comments on global warming

What made you want to look up global warming? Please tell us where you read or heard it (including the quote, if possible).


a strong desire or propensity

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!