The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn. Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs. From beaver ...

The Arctic is no longer a distant barometer of future risk, it has become the frontline of a climate system that is rapidly ...

The Arctic is shifting from a frozen vault of ancient carbon to an active source of greenhouse gases, and that flip threatens ...

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, the region is ...

Arctic weather extremes are rising fast, harming plants, animals, people, and global climate balance worldwide.

The number of wildland fires burning in the Arctic is on the rise, according to NASA researchers. Moreover, these blazes are ...

NOAA scientists have documented profound change in the frozen north as U.S. government science itself faces an uncertain future. Arctic cotton grass grows in marshy terrain near the Ilulissat Icefjord ...

Did you ever wonder how an animal as large as a polar bear or reindeer floats? The answer is hollow hair, a remarkable ...

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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 ...

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires increase. Arctic tundra, which has stored carbon for thousands of years, has now ...