Permafrost slowly exhales methane

Permafrost slowly exhales methane

Permafrost soils store vast quantities of organic matter that are vulnerable to decomposition under a warming climate. Recent research finds that methane release from thawing permafrost may outpace carbon dioxide as a major contributor to global warming over the next century.

Below the cold, wet surface of the Arctic tundra lays a vast store of organic carbon frozen in permafrost. Climate change is warming the Arctic twice as fast ...

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