Green summer tundra and the rolling Mulgrave Hills in northwestern Alaska's Cape Krusenstern National Monument are seen on July 11, 2011. The Mulgrave Hills are the farthest west extension of the ...
After locking carbon dioxide in its frozen soil for millennia, the Arctic tundra is undergoing a dramatic transformation, driven by frequent wildfires that are turning it into a net source of carbon ...
Stand on the tundra in Alaska and it looks like nothing special. A vast, flat plain of amber grass, shallow ponds, and dark soil stretching to the horizon. No obvious drama, no visible crisis. But a ...
A new international study involving researchers from the University of Gothenburg shows that vegetation in the Arctic is changing rapidly as species from nearby forests spread into the tundra. This ...
From Alaska to Siberia, the Arctic is changing so rapidly that there is no "normal" there now, scientists warn. The consequences reach across the globe. The Arctic tundra now releases more carbon than ...
Climate change is warming the Arctic tundra about four times faster than the rest of the planet. Now, a study suggests that rising temperatures will spur underground microbes there to produce more ...
A member of a fire crew makes their way to the Riley Fire in Denali National Park and Preserve, AlaskaPaul Ollig/National Park Service via AP From Alaska to Siberia, the Arctic is changing so rapidly ...