Critics complain move doesn't address main threats
(NEWSER) - The federal government has proposed designating 200,000 square miles of land, sea, and ice in northern Alaska as a critical habitat for polar bears. The move is "one step in the right direction to help this species stave off extinction," said an Interior Department official. He acknowledged, however, that the melting of sea ice caused by climate change is the biggest threat to the bears. More»
