The 20th anniversary of the annual report tracks how sea ice, snow cover and many other vital signs of the Arctic have changed, and the impact that’s having on people and wildlife.

The Arctic permafrost thaw is hazardous to the livelihood, safety, health, food security, and the infrastructure of communities living in Arctic regions, an international group of scientists have ...

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

Caribou move along barren ground in northern Canada. The Bathurst caribou population has declined from 400,000 to less than 4,000 over the last 30 years, according to new surveys by the government of ...

The Arctic is transforming faster and with more far-reaching consequences than scientists expected just 20 years ago, when the first Arctic Report Card assessed the state of Earth’s far northern ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) The snow season is dramatically shorter today, sea ice is thinning and melting earlier ...