Experts say cleaner air, melting Arctic ice and subtle changes in cloud formation are behind the shift. View on euronews ...

Just 140 miles south of the Arctic Circle, far from any major industrial or population centers, Alaska’s second-largest city has struggled for decades with some of the nation’s worst winter air ...

With one foot braced on the helicopter's landing skid, a veterinarian lifted his air rifle, took aim and fired a tranquiliser dart at a polar bear. The predator bolted but soon slumped into the ...

Their findings suggest that exposure to microplastics — whether through eating seafood, inhaling airborne particles, or ...

Mercury (Hg) is an environmental concern in the Arctic, where high concentrations are found in top predators such as polar bears and toothed whales. Despite declining atmospheric Hg emissions since ...

Cold air originating from the Arctic Ocean will be dislodged and sent to the continental United States this weekend. As a result, windchills here in Denver will likely bottom out around 30 degrees ...

Divers studying Arctic Waters in northern Finland have reported an alarming sight: sea ice is melting at a rapid pace, ...

NASA scientists have found that a major form of global air pollution involved in summertime "smog" has also played a significant role in warming the Arctic.

Scrubbers filter heavy fuel oil exhaust, but environmental advocates say they transfer air pollution into Alaska’s waters.

An arctic front will sweep through Colorado Friday afternoon with dangerously cold air and accumulating snow lagging behind it for the holiday weekend. This is a long duration event in the Denver ...