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 The Earth is careening toward a dangerous level of global warming. Melvin Backman, Quartz, 8 May 2024 The fact that the most recent record-hot months occurred despite El Niño’s waning strength indicates that, even without its influence, global warming and other factors are continuing to keep temperatures high. Hayley Smith, Los Angeles Times, 8 May 2024 See all Example Sentences for global warming 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'global warming.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of global warming was in 1953

Dictionary Entries Near global warming

Cite this Entry

“Global warming.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

Kids Definition

global warming

: a warming of the earth's atmosphere and oceans that is widely predicted to result from an increase in the greenhouse effect caused by air pollution

More from Merriam-Webster on global warming

Last Updated: - Updated example sentences
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