The last nine years have been the warmest ever recorded in the Arctic Circle, and this year saw a number of new milestones in ...

From giant holes in Siberia to legions of beavers in Alaska, the Arctic is changing rapidly and accelerating the climate ...

In recent years, the Arctic tundra’s ability to emit less and absorb more carbon has taken a hit. A new analysis, which ...

Wildfires and thawing permafrost are causing the Arctic region to release more carbon dioxide and methane than its plants ...

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

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

Arctic tundra, which has stored carbon for thousands of years, has now become a source of planet-warming pollution. As ...

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

For thousands of years, the Arctic tundra landscape of shrubs and permafrost, or frozen ground, has acted as a carbon dioxide ...

Wildfires and thawing permafrost are causing the region to release more carbon dioxide than its plants remove, probably for ...

The Arctic experienced its second-hottest year on record, according to a NOAA report. The Arctic tundra has become a source ...

The shift from storing carbon dioxide to releasing it could have widespread implications for climate change, according to ...