Polar bears birthing could be disrupted by warming climate

Newborn polar bears are able to survive the bone-chilling Arctic winter -- where temperatures can fall to negative 30 degrees Celsius or lower -- by seeking warmth in their mothers' dens. However, new research claims that if current trends continue, cubs along Alaska's northern coast might perish outside instead.

from FOX News https://ift.tt/2QbR5Mc
v