* Climate models that predict continued loss of sea ice, the main habitat of polar bears, during summers are unreliable, said Palin. <ref>http://www.foxnews.com/story/0,2933,357065,00.html?sPage=fnc/scitech/naturalscience</ref> | * Climate models that predict continued loss of sea ice, the main habitat of polar bears, during summers are unreliable, said Palin. <ref>http://www.foxnews.com/story/0,2933,357065,00.html?sPage=fnc/scitech/naturalscience</ref> |