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

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

The Arctic tundra has historically helped reduce global emissions. But rising temperatures and wildfires in the region are ...

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

Arctic tundra, which has stored carbon for thousands of years, has now become a source of planet-warming pollution. As wildfires increase and hotter temperatures melt long-frozen ground ...

A focus of the latest Arctic evaluation was the effects of warmer weather and wildfires on the tundra, a far-northern biome that's typically known for extreme cold, little precipitation and a ...

For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere and locked it in permafrost. That is the case no more, according to an annual report issued on Tuesday by the ...

The region is warming much faster than the rest of the planet and releasing carbon from its thawing soil. Umair Irfan of Vox ...

For thousands of years, the Arctic tundra landscape of shrubs and permafrost, or frozen ground, has acted as a carbon dioxide sink, meaning that the landscape was taking up and storing this gas that ...

But as fossil fuel emissions heat the planet, balmier air temperatures are thawing Arctic tundra, activating carbon-hungry microbes, and more vegetation is being burned up by wildfires.