Polar bears could vanish from Canada’s Hudson Bay if temperatures rise 2C

An international team of scientists said Thursday that polar bears faced local extinction in Canada’s Hudson Bay by mid-century if global warming exceeds limits set under the Paris climate accords. An international team of scientists said Thursday that polar bears faced local extinction in Canada’s Hudson Bay by mid-century if global warming exceeds limits set under the Paris climate accords. Ecology Phys.org – latest science and technology news stories