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Fifteen years after polar bears were listed as threatened, a new study says researchers have overcome a roadblock in the Endangered Species Act that prevented the federal government from considering
Scientists say in a new study that they've established a direct link between greenhouse gas emissions and polar bear cub survival. They believe it overcomes a legal roadblock in the Endangered Species Act that prevented the federal government from considering climate change when evaluating projects like oil and gas drilling.
Scientists say in a new study that they've established a direct link between greenhouse gas emissions and polar bear cub survival. They believe it overcomes a legal roadblock in the Endangered Species Act that prevented the federal government from considering climate change when evaluating projects like oil and gas drilling.
Scientists say in a new study that they've established a direct link between greenhouse gas emissions and polar bear cub survival. They believe it overcomes a legal roadblock in the Endangered Species Act that prevented the federal government from considering climate change when evaluating projects like oil and gas drilling.
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Human-caused global warming means there are fewer days of sea ice to help build up fat reserves in polar bears and longer fasting periods