Polar bears in East Greenland (IMAGE) University of Washington Caption Three adult polar bears travel across sea ice in eastern Greenland. Environments in the Far North that would have stayed well below freezing now experience freeze-thaw cycles and wet snow due to a warming climate. Credit Kristin Laidre/University of Washington Usage Restrictions Noncommercial, with credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.