RedOrbit: Recent climate induced changes to Arctic polar bears environment is affecting their habits and ability to survive, with the bears having to rely more and more on internal fat reserves, according to a new paper in the Journal of Animal Ecology.
The bears are having particular difficulty adjusting to the shifting sea ice dynamics. In the past, sea ice has remained throughout the Arctic summer months, but now it is almost completely melting and refreezing each year.
"This poses an interesting...