By Emily Shenk A recent study found that the condition of polar bears in the Arctic’s Chukchi Sea has remained stable despite sea ice loss, while the condition of another population in the Beaufort Sea has declined. The researchers studied the overall health and reproductive rates of polar bears in the Chukchi Sea, located...
By Susan McGrath for National Geographic Polar Bear Watch In Barrow, on the northern coast of Alaska, the sun sets at five o’clock on October 31, and the temperature typically drops into the single digits. This doesn’t faze the town’s schoolchildren. They dress up and go trick-or-treating door to door just as American kids...