As the planet's polar ice sheets destabilise amid rising temperatures, a landmark UN assessment of Earth's retreating frozen spaces is also set to spell out how melting mountain glaciers will impact ...

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" sends a devastating blast of Arctic air, bringing heavy snows and freezing ...

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

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

Blizzards are big news, enshrined in Baltimore lore. Like hurricanes, they are recalled by names (Snowmaggeddon, Snowpocalypse) and on sweatshirts: “I survived the blizzard of [year].” Snow sells.

Across the coldest places on Earth, something quiet but powerful is happening beneath your feet and under the ice. As ...

The documentary Nuisance Bear presents a nuanced problem plaguing the Polar Bear Capital of the World without pointing ...

For years, images of thin polar bears stranded on shrinking ice floes shaped how many people understood climate change in the Arctic. Those photos seemed to confirm dire predictions, that as sea ice ...

Polar bears are the poster children of climate change—and for good reason. These giant bears hunt, mate and spend their days hanging out on Arctic sea ice, which is rapidly disappearing as the climate ...

The push to reduce black carbon, which studies have shown has a warming impact 1,600 times that of carbon dioxide over a ...

The possibility of snow in Tampa, Fla. Record heat and fires in Australia. Scientists say climate change is exacerbating weather extremes. By David Gelles On a typical winter day, the Arctic air that ...