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A new study suggests regions of the Arctic tundra are now releasing more planet-warming gases than they absorb, upending a millennia-old trend. The study published in academic journal Nature ...

Even though his recent years’ work in Arctic Alaska has been focused on plants, he said encountering willows and other woody plants covering what used to be open tundra west of the Dalton ...

Researchers in a new study published in Nature Climate Change, have measured the flow of carbon in the Arctic-boreal zone (ABZ) — consisting of the treeless tundra, boreal forests, and wetlands in ...

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Animation of terrestrial CO 2 fluxes in the Arctic-boreal zone by month ... but more carbon emissions are being released from the tundra during the non-growing season months.

and treeless tundra, is now a source of carbon rather than a sink. If emissions from wildfires were added to the mix, that percentage rose to 40. A greening Arctic also doesn’t translate to net ...