For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere and locked it in permafrost. That is the ...

Fires, intensified by climate change, release carbon trapped in soil and plants. More frequent infernos have now transformed ...

The Arctic can feel like a far-off place, disconnected from daily life if you aren't one of the 4 million people who live there.

This year registered the second-highest wildfire emissions north of the Arctic Circle. When accounting for emissions from ...

NOAA scientists and affiliated researchers have documented profound change in the frozen north as U.S. government science ...

The Arctic is now a carbon source, instead of a carbon sink, according to a new report released by NOAA. Warming temperatures ...

Scientists’ annual report card on the polar region finds that its vast tundra is releasing more CO2 than it stores, a ...

The news that the frigid Arctic tundra ringing the polar region has switched from being a net absorber, or "sink," of ...

Arctic Report Card, released December 10, scientists from 11 countries, with expertise ranging from wildlife to wildfire and ...

This story was originally published by Grist with the headline The Arctic just hit an unfortunate climate milestone on Dec 11 ...

The Arctic tundra is no longer the carbon sink it once was. "The tundra, which is experiencing warming and increased wildfire ...

The transition of the Arctic from a carbon sink to a carbon source is one of the dramatic changes in the Arctic that are ...