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

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

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

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

Now, as the Arctic climate warms at rates up to four times faster than the planet's average, snow is disappearing sooner in ...

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires ...

"The tundra, which is experiencing warming and increased wildfire, is now emitting more carbon that it stores, which will worsen climate change impacts," NOAA Administrator Rick Spinrad said in a ...

The tundra regions have become a net carbon source rather than a carbon sink, the result of permafrost warming, increased ...

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

NOAA scientists and affiliated researchers have documented profound change in the frozen north as U.S. government science itself faces an uncertain future.

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

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