Arctic tundra, which has stored carbon for thousands of years, has now become a source of planet-warming pollution. As wildfires increase and hotter temperatures melt long-frozen ground, the region is ...

What happens to the fish, wildlife, water, ecosystem and habitat? Who bears the risk? Can the impacts be understood and ...

When Cyrus Harris first saw a beaver during a camping trip in the tundra territory in the far northwest of Alaska in 1988, the discovery created a stir in his hometown of Kotzebue. “That made big news ...

Add Yahoo as a preferred source to see more of our stories on Google. Green summer tundra and the rolling Mulgrave Hills in northwestern Alaska's Cape Krusenstern National Monument are seen on July 11 ...

WASHINGTON—The icy region at the top of the globe, lashed by wildfire and pelted with increasingly heavy precipitation, has tipped into “uncharted territory,” scientists reported Tuesday. The Arctic ...

Posts from this topic will be added to your daily email digest and your homepage feed. It’s a vicious cycle. Rising temperatures are stoking wildfires in the Arctic, which is leading to more of the ...

Beavers are taking over the Alaskan tundra, completely transforming its waterways, and accelerating climate change in the Arctic. The changes are so sudden and drastic that they're clearly visible ...

Anywhere else in the world, more trees would be a blessing. But in the far north of Alaska, they’re a reckoning. As the Arctic warms up to four times as fast as the rest of the planet, white spruce ...

The cruise ship with about 1,000 passengers anchored off Nome, too big to squeeze into into the tundra city’s tiny port. Its well-heeled tourists had to shimmy into small boats for another ride to ...