Two-thirds of the world's polar bears could be extinct by 2050 if greenhouse gas-fueled global warming keeps melting their Arctic ... he simultaneously vowed he wouldn't let the listing affect U.S.

A series of historical documents sheds light on the final moments of George Washington, whose cause of death has been a mystery for hundreds of years.

Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear’). So they’re at particular risk ...

By Elizabeth Devitt Sea ice extent is at record, and near record, lows for this time of year in both polar regions, leaving ...

“The Loneliest Polar Bear: A True Story of Survival and Peril on the Edge of a Warming World ... the greenhouse effect and its impact on Earth’s temperature. And we’re treated to a depressing primer ...

The endangered classification for Polar Bears could come within weeks ... but the decline in sea life could be an effect of man-made global warming. If it is a natural cycle, then sooner or ...

Climate change is amplified in the polar regions ... to regulate global temperatures. Parts of the west Antarctic Peninsula are among the fastest-warming places on earth. Even small-scale melting is ...