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climate change

American

[klahy-mit chaynj] / ˈklaɪ mɪt ˌtʃeɪndʒ /

noun

a long-term change in the earth's climate, especially a change due to an increase in the average atmospheric temperature.

Melting glaciers imply that life in the Arctic is affected by climate change.

Usage

What is climate change? Climate change refers to a sweeping change in global climate conditions, including weather phenomena, temperature, and sea levels. It’s caused by an influx of greenhouse gases, mostly from fossil fuel emissions around the world. These gases trap heat in the atmosphere and change weather patterns, warming many areas of the globe and causing erratic season and weather events. How is term pronounced?[ klahy-mit cheynj ]

Etymology

Origin of climate change

First recorded in 1980–85

Compare meaning

How does climate-change compare to similar and commonly confused words? Explore the most common comparisons:

global warming vs. climate change

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

climate change

"We're seeing flooding that we've never experienced before and with climate change that's set to increase. We can't prevent flooding, but we can help minimise the impact."

From BBC ● Nov. 12, 2026

Thomas Guennegues, who helps run Polar Capital’s Smart Energy Fund, expects an electrification surge for reasons largely unrelated to climate change.

From The Wall Street Journal ● Nov. 12, 2026

Ivorian scientists have been working to develop a cocoa bean tough enough to survive the unpredictable weather events that man-made climate change has unleashed around the globe.

From Barron's ● Nov. 10, 2026

Newsom is expected to meet with other world leaders and sign pacts to address climate change together.

From Los Angeles Times ● Nov. 10, 2026

It gave Akira chills to think that she and Natalie had both been in danger from different climate change disasters at the same time last year, on opposite ends of the continent.

From "Two Degrees" by Alan Gratz

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023