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Arctic tundra is now emitting more carbon than it absorbs, US agency says
Drastic shift driven by frequent wildfires, pushing surface air temperatures to second-warmest on record since 1900
“Our observations now show that the Arctic tundra, which is experiencing warming and increased wildfire, is now emitting more carbon than it stores, which will worsen climate change impacts,” said Rick Spinrad, a Noaa administrator. The report, led by scientists from the Woodwell Climate Research Center in Falmouth, Massachusetts, found that the Arctic is warming faster than the global average for the 11th year in a row. “We need accurate, holistic and comprehensive knowledge of how climate changes will affect the amount of carbon the Arctic is taking up and storing, and how much it’s releasing back into the atmosphere, in order to effectively address this crisis,” said Dr Sue Natali, a scientist at the Woodwell Center who contributed to the research.
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