His new National Geographic miniseries, Arctic Ascent, follows Honnold and his team tracking ice formation in Greenland's frigid fjords. 'Free Solo' Star Alex Honnold Climbs Unexplored Arctic ...

Scientists have said the Arctic has been one of the regions hardest hit by climate change. Nasa's Operation IceBridge spring campaign flights started on March 9 and will continue until May 12.

We had to track down where the photos were taken, and then go on location and then sort of follow their footsteps. It's been quite a few years. I shot this in 2003.

Over the past 20 years, the Arctic has warmed at nearly twice the rate as the entire globe, according to the National Snow & Ice Data Center (NSIDC). This is known as Arctic amplification ...

Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant. Tundra lands are covered with snow for much of ...