Hudson Bay polar bears threatened by early ice breakup, Alberta study says

Shrinking sea ice on Hudson Bay threatens the ability of its resident polar bears to produce new cubs, a new study suggests.  Researchers at the University of Alberta looked at the relationship between the energy a pregnant polar bear needs to give birth to healthy young and the increasingly early breakup of the ice the bears use as a hunting platform.  “Based on the best scenarios we”ve got for sea ice in the Hudson Bay, the situation looks pretty grim,” …. Read Full Article