Shallow permafrost lies beneath the surface of more than a third of mainland Alaska, but 16 percent to 24 percent will disappear by the end of the century, the study concludes.

Yereth Rosen
Royal Dutch Shell pulled out of its multi-year and multi-billion dollar plan to drill in the Chukchi, and the U.S. Army Corp of Engineers put its plan for a deep draft Arctic port on hold. But at city meetings in Nome, all eyes are fixed on the future and a strategic plan to position its port for Arctic growth.Emily Russell | KNOM
As world leaders began talks in Paris on solutions to global warming, the National Park Service on Monday released a report detailing agency efforts to address threats to parks from climate change.Dan Joling | Associated Press
A section of bluff along the Itkillik River in Alaska's Arctic has eroded at a sustained rate of nearly 62 feet a year for a decade and a half -- faster than any other river in the Northern Hemisphere's permafrost regions, a new study has found.Yereth Rosen
A culture-first approach at the Shungnak school is reconnecting students in the Northwest Arctic village of Shungnak with their  heritage, through programs like an Inupiaq word of the day, or sessions where elders teach students traditional methods for butchering seal.Shady Grove Oliver | The Arctic Sounder

We head out of Kotzebue by snowmachine. It’s not too cold out, but cold enough that the ice is thick beneath our treads. We’re traveling out to check Darin Nelson and his father, Louis Sr.’s, nets on Kobuk Lake and he’s picked a good time to go. It’s a clear, calm window between two winter storm fronts that bring lots of powder and high winds.

Shady Grove Oliver | The Arctic Sounder
Several wooden boxes in Barrow were filled to the brim with whale. This week the boxes come out of the cellars as whaling captains and their crews make their way around town Thanksgiving morning, distributing meat, muktuk and aqikkak, or tail flukes, to local churches.Shady Grove Oliver | The Arctic Sounder
The appearance of numerous large craters in Siberian permafrost has been attributed, at least by some, to the venting of large pockets of methane gas, possibly in a dramatic or sudden way. Chris Mooney | The Washington Post
At a lake 17 miles north of Kotzebue, a father and son welcome a seasonal ritual -- setting and checking the nets they place under the ice to catch sheefish. They'll feed the whitefish to their dogs and sell some to mushers around the state.Shady Grove Oliver | The Arctic Sounder
Murkowski used an Energy and Natural Resources Committee to reiterate her call for Arctic-specific terms that are longer than the standard 10-year duration that applies to federal offshore oil and gas leases.Yereth Rosen