The news that the frigid Arctic tundra ringing the polar region has switched from being a net absorber, or "sink," of planet-warming greenhouse gases to a net emitter, or "source," indicates the ...

Research from ancient sediment cores indicates that a warming climate could make the world's arctic tundra far more susceptible to fires than previously thought. The findings are important given the ...

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 ...

FAIRBANKS — The July 2007 tundra fire near the Anaktuvuk River was the largest such ever recorded, but that wasn’t the only thing that made it noteworthy. According to a new study published in the ...

Chunks of carbon-rich frozen soil, or permafrost, undergird much of the Arctic tundra. This perpetually frozen layer sequesters carbon from the atmosphere, sometimes storing it for tens of thousands ...

In the next 100 years, Alaska will experience a massive loss of its historic tundra, as global warming allows these vast regions of cold, dry, lands to support forests and other vegetation that will ...

Jamie Sayen of Stratford is author of “You Had a Job for Life,” an oral history of the Groveton paper mill. Mount Washington’s summit region, an enchanting, wild, dangerous world, is home to the ...

Tundra plants can eek out an existence in the very short summers of the Canadian High Arctic such as here on Ellesmere Island, Nunavut. (Anne Bjorkman, University of Gothenburg) Rapid climate change ...

Research from ancient sediment cores indicates that a warming climate could make the world’s arctic tundra far more susceptible to fires than previously thought. The findings are important given the ...

Canadian Prime Minister Justin Trudeau consoles Fort McMurray, Alberta fire chief Darby Allen in the wake of the devastating wildfire that ravaged the city. Credit: Reuters As firefighters continue ...

A thousand square kilometers of the Alaskan tundra burned in September 2007, a single fire that doubled the area burned in the region since 1950. However, a new study in the Journal of Geophysical ...