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carbon sink

British

noun

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

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carbon sink

Not only does it provide a unique home for wildlife but coastal fringes act as both a natural flood defence and a carbon sink.

From BBC ● Jun. 4, 2026

Preserving forest cover is essential to fighting climate warming as trees act as a natural carbon sink.

From Barron's ● May 27, 2026

The ocean is the Earth's largest carbon sink, soaking up roughly a third of human carbon dioxide emissions and helping to keep global temperatures in check.

From Science Daily ● Dec. 10, 2025

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

From BBC ● Oct. 28, 2024

However, to calculate the carbon sink and biodiversity opportunities associated with shifting cropland use in the U.S., the authors of the GFI report significantly limited the scope of their analysis.

From Salon ● Aug. 21, 2024

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