Arctic

Alaska’s Dalton Highway Is Threatened by Climate Change and Facing a Highly Uncertain Future

Floodwaters, thawing permafrost and moving underground debris fields have left one climate expert wondering whether maintenance crews can ever catch up.

By David Hasemyer

Unleashed by Warming, Underground Debris Fields Threaten to ‘Crush’ Alaska’s Dalton Highway and the Alaska Pipeline

By David Hasemyer

‘A Trash Heap for Our Children’: How Norilsk, in the Russian Arctic, Became One of the Most Polluted Places on Earth

By Marianne Lavelle

Warming Trends: Where Have All the Walruses Gone? Plus, a Maple Mystery, ‘Cool’ Islands and the Climate of Manhattan

By Katelyn Weisbrod

Polar Bears Are Suffering from the Arctic’s Loss of Sea Ice. So Is Scientists’ Ability to Study Them

By David Hasemyer

In the Arctic, Less Sea Ice and More Snow on Land Are Pushing Cold Extremes to Eastern North America

By Bob Berwyn

Warming Trends: Climate Clues Deep in the Ocean, Robotic Bee Hives and Greenland’s Big Melt

By Katelyn Weisbrod, Bob Berwyn

A Federal Judge’s Rejection of a Huge Alaska Oil Drilling Project is the Latest Reversal of Trump Policy

By Georgina Gustin

Thawing Permafrost has Damaged the Trans-Alaska Pipeline and Poses an Ongoing Threat

By David Hasemyer

Ice Dam Bursts Threaten to Increase Sunny Day Floods as Hotter Temperatures Melt Glaciers

By Haley Dunleavy

New Climate Research From a Year-Long Arctic Expedition Raises an Ozone Alarm in the High North

By Bob Berwyn

In Two Opposite Decisions on Alaska Oil Drilling, Biden Walks a Difficult Path in Search of Bipartisanship

By Marianne Lavelle

New Arctic Council Reports Underline the Growing Concerns About the Health and Climate Impacts of Polar Air Pollution

By Bob Berwyn

Projected Surge of Lightning Spells More Wildfire Trouble for the Arctic

By Bob Berwyn

Russia is Turning Ever Given’s Plight into a Marketing Tool for Arctic Shipping. But It May Be a Hard Sell

By Sabrina Shankman

Long-lost Core Drilled to Prepare Ice Sheet to Hide Nuclear Missiles Holds Clues About a Different Threat

By Bob Berwyn

What’s On Interior’s To-Do List? A Full Plate of Public Lands Issues—and Trump Rollbacks—for Deb Haaland

By Judy Fahys

Warming Trends: A Facebook Plan to Debunk Climate Myths, ‘Meltdown’ and a Sad Yeti

By Katelyn Weisbrod

Global Ice Loss on Pace to Drive Worst-Case Sea Level Rise

By Bob Berwyn