A lightning-sparked fire that has burned about 2,000 acres of Arctic Alaska tundra is the biggest wildfire on the North Slope ...

Beaver expansion into Alaska’s Arctic tundra presents problems for people, but also opportunities A wide-ranging research program led by a UAF ecologist is tracking the way beavers’ northward ...

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 ...

Tundra swans — at 15 pounds and with a wingspan of almost 6 feet — are now touching down on the ponds and snowfields of Alaska. Not too long ago, Alaska scientists discovered more about where ...

Arctic permafrost is a vast repository, storing an estimated 1,700 billion metric tons of carbon. That’s over 50 times more than all the carbon released as global fossil fuel emissions in 2019.

Arctic tundra, which has stored ... Wildfire in Alaska’s Yukon Flats National Wildlife Refuge, June 2024. (Courtesy Brendan Rogers/Woodwell Climate Research Center) ... Map of the Arctic.

For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere and locked it in permafrost. That is the case no more, according to an annual report ...

The Trump administration announced a plan on June 17 to open nearly 82% of the National Petroleum Reserve-Alaska to oil and ...

Arctic permafrost is a vast repository, storing an estimated 1,700 billion metric tons of carbon. That’s over 50 times more than all the carbon released as global fossil fuel emissions in 2019.

The Arctic tundra is warming up and that's causing long-frozen ground to melt as well as an increase in wildfires. The region is "now emitting more carbon that it stores, which will worsen climate ...

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 ...

A beaver is seen on June 12, 2018, swimming in a tundra pond in the Nome area. As the climate has warmed, beavers have moved north into tundra terrain in both Alaska and Canada. A National Science ...