global warming

noun

: 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

Scientists had previously projected that coral reefs would cross a tipping point at 1.5 degrees Celsius of global warming, whereby up to 90% of reefs would be lost. —Reuters, CNN, 18 Oct. 2024

In addition, the U.S. alone could lose 2.3 percent of its gross domestic product for each degree-C increase in global warming. —Ellen Peters, Scientific American, 16 Oct. 2024

Scientists have found that global warming has contributed significantly to the decline in the river’s flow since 2000. —Ian James, Los Angeles Times, 13 Oct. 2024

But global warming’s influence on extreme rain is more solid and clear. —Evan Bush, NBC News, 11 Oct. 2024

Word History

First Known Use

1953, in the meaning defined above

Kids Definition

global warming

noun

: 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