By A Mystery Man Writer
Study suggests that if climate change continues unabated, there soon won't be enough snow in northern Alaska for polar bears to dig birthing dens.
There may not be enough snow in northern Alaska for polar bears' birthing dens.
INSIDE SCIENCE: The key science stories from September 2019.
Climate change and loss of sea ice putting polar bears at risk of
Climate change and loss of sea ice putting polar bears at risk of
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Climate change and loss of sea ice putting polar bears at risk of