There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

Polar bears need ice for their long term survival as less or shrinking ice forces these creatures to travel long distances in ...

Arctic sea ice has large effects on the global climate. By cooling the planet, Arctic ice impacts ocean circulation, ...

As temperatures rise, reindeer face a growing struggle to reach the lichen they depend on. More frequent and intense droughts, storms and heat waves, melting glaciers, warming oceans and rising sea ...

HOLLYWOOD, LOS ANGELES -- The documentary "Haulout" follows a marine biologist living in the Siberian Arctic. He's there to chronicle the largest walrus haulout in the world. That's where almost ...

Hundreds of Arctic rivers and streams are turning bright red-orange, not from chemical pollution, but from naturally occurring iron spilling from long-frozen ground as temperatures warm. The "rusting ...

Climate change is starving the Arctic Ocean of essential nutrients, with the region's six largest rivers now delivering far less of the type of nitrogen that marine ecosystems need to survive, ...

Purposefully sinking boreal trees could help lock away carbon for millennia or longer, but the audacious plan comes with risks of its own.

The orange tributary of the Kugororuk River in Alaska is an example of a "rusting river." These rivers are increasingly common in the Brooks Range of northern Alaska, the result of thawing permafrost.