Polar Bears Are Suffering from the Arctic’s Loss of Sea Ice. So Is Scientists’ Ability to Study Them The melting ice is affecting the bears’ behavior and physical condition, and it has made studying them through forays out onto the ice a treacherous business. By David Hasemyer
The Acceleration of an Antarctic Glacier Shows How Global Warming Can Rapidly Break Up Polar Ice and Raise Sea Level By Bob Berwyn
How Many Polar Bears Will Be Left in 2100? If Temperatures Keep Rising, Probably Not a Lot By Katelyn Weisbrod