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carbon sink

British  

noun

  1. areas of vegetation, especially forests, and the phytoplankton-rich seas that absorb the carbon dioxide produced by the burning of fossil fuels

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Lamu hosts 70% of Kenya’s mangrove forests that provide a massive carbon sink and are vital breeding grounds for marine life and migratory birds.

From The Wall Street Journal ● Oct. 3, 2026

Ocean warming has far-reaching consequences, such as degradation of marine ecosystems, biodiversity loss and reduction of the ocean carbon sink, the agency said.

From Barron's ● Mar. 23, 2026

She said: "When the winds shifted north 15,000 years ago, they changed the stirring action in the Southern Ocean which acts as the largest natural carbon sink on Earth."

From Science Daily ● Nov. 19, 2025

The ocean also produces half of the oxygen we breathe on land and is the largest carbon sink on Earth, absorbing about 30% of all carbon dioxide emissions from humans.

From Salon ● May 21, 2025

Data indicates that the southeastern Amazon has now turned from a carbon sink to a source.

From BBC ● Oct. 28, 2024

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