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 ...

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 ...

Authors: Twila A. Moon, University of Colorado Boulder; Matthew L. Druckenmiller, University of Colorado Boulder, and Rick Thoman, University of Alaska Fairbanks The Arctic can feel like a far-off ...

The Western Arctic Caribou Herd, once the biggest in Alaska, is faltering, having fallen from a high of 490,000 animals in 2003 to only 152,000 as of 2023. But to the east, the Porcupine Caribou Herd ...