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Warmer weather causing Alaska's tundra to release more CO2

A new study reveals that carbon emissions from the North Slope tundra had increased by 70% since the 1970s

Scientists are trying to ascertain how much of the carbon released from the tundra is from decomposition of older, dead vegetation.

New York

AS global warming continues, a big unknown is what will happen to the carbon balance between the atmosphere and the land, especially in the far north.

Will Arctic and near-Arctic regions continue to take more carbon dioxide from the atmosphere through plant activity than...

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