Global warming has created a feedback loop, wherein Arctic sunlight converts thawing ice into more CO2.
We're finally starting to see positive results from environmental efforts to protect the Ozone Layer.
Polar bears have evolved so that they don't need to drink liquid water.
Researchers at Penn State University and the University of Buffalo have completed the most in-depth bear DNA study to date.
How did animals respond to the ice age? Ancient bison preserved in the Canadian arctic have given scientists a clue.
Learn about the iceberg that sank the Titanic, on this Moment of Science.
Did you know that the Arctic is warming faster than the rest of the planet?
Tree lines are on the move. Learn how moving tree lines impact animals and other plants.
Who would think that researchers would find ingredients for modern medicine buried in the ice?
The next time you long for the romance of the northern lights, switch on a fluorescent lamp! There may be less mystique, but the principle will be the same.