climate change

noun

: significant and long-lasting change in the earth's climate and weather patterns
The half-tonne … turtles were thought to have died out 30,000 to 40,000 years ago because of climate change.New Scientist
especially, in current use : such change associated with global warming
Concerns about greenhouse gas emissions and global climate change are renewed among scientists and the public with every new report about the possibility of melting icecaps and rising temperatures. Randy Showstack
Drought is a paleontological fact in the American West, but the latest desiccations have a new signature, and my region's climatologists, hydrologists, foresters, and water managers are nearly unanimous in their conviction that what we are seeing now is climate change, the anthropogenic kind, a consequence of too much CO2 and other greenhouse gases. Kenneth Brower

Examples of climate change in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And climate change is going to make snake bites much more likely, recent research suggests. Jackie Flynn Mogensen, Scientific American, 15 Mar. 2026 Her art blends societal issues, such as overconsumption and climate change, with knowledge of art historical content. Heide Janssen, Oc Register, 15 Mar. 2026 In an agricultural region battered by urbanization, climate change, and unjust occupation, the director chronicles a man’s desperate fight to preserve centuries-old ways of living. Matthew Carey, Deadline, 15 Mar. 2026 Meanwhile, climate change is slowing regrowth, and timber volumes (thus logging jobs) have fallen six-fold in just a decade. Evan Mills, Mercury News, 15 Mar. 2026 See All Example Sentences for climate change

Word History

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of climate change was in 1854

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Cite this Entry

“Climate change.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/climate%20change. Accessed 16 Mar. 2026.

Kids Definition

climate change

noun
: significant and long-lasting change in the earth's climate and weather patterns
especially : such change associated with global warming
Last Updated: - Updated example sentences
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