As the Ice Melts, Polar Bears Are Failing to Find Enough Food on Land

by Jeffrey Kluger t’s not easy to swim 175 km (109 mi.) when you’re starving to death. It’s not easy either to try to survive when you’re shedding body weight at a rate of 1 kg (2.2 lbs.) a day. And it might be hardest—or at least most tragic—of all if you’re a nursing momContinue reading “As the Ice Melts, Polar Bears Are Failing to Find Enough Food on Land”