Winnipeg zoo working to help protect polar bears from extinction

A polar bear poses for the camera as he waits for the Hudson Bay to freeze over near Churchill, Man. Wednesday, Nov. 7, 2007. (Jonathan Hayward/ The Canadian Press) A polar bear poses for the camera as he waits for the Hudson Bay to freeze over near Churchill, Man. Wednesday, Nov. 7, 2007. (Jonathan Hayward/ The Canadian Press)

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Australian Labour topples conservatives, PM faces early tests

Australia's centre-left opposition party toppled the conservative government after almost a decade in power, and Prime Minister-elect Anthony Albanese in his Saturday election victory speech promised sharper reductions in greenhouse gas emissions while he faces an early foreign policy test.