The tundra regions have become a net carbon source rather than a carbon sink, the result of permafrost warming, increased wildfires and other effects of climate change.
Arctic
Coast Guard secures new icebreaker from civilian service
The Aiviq, named after the Inupiaq word for walrus, was acquired for service last month. It will join the Coast Guard fleet in 2026.
America’s first Arctic ambassador was just confirmed weeks ago. Now he could be out of a job.
Alaska geographer Mike Sfraga hasn’t announced his resignation. But it’s standard for politically appointed ambassadors to leave their posts during a presidential transition.
Scientists discover volcano-like structure in Arctic Ocean off Alaska
Although the structure rises well above the seabed, it tops out at about 1,600 meters below the water’s surface, so it is too deep to pose any risks to navigation.
Biden administration plans new limits on oil leasing in Alaska’s Arctic National Wildlife Refuge
A new environmental study recommends additional protections for wildlife, waterways and permafrost, with new rules for a legally mandated lease sale.
For the first time, America has an Arctic ambassador, and he’s Alaskan
Michael Sfraga, from Fairbanks, is “probably the most recognized go-to Arctic expert that we have,” Sen. Lisa Murkowski says.