Biologist says polar animals are incredibly sensitive to temperature changes . Expert : " The Arctic is the coldest place on earth, and it's not because of global warming. The temperature in the western Antarctic is up .9 degree Fahrenheit . Most inhabitants of our planet will never get a firsthand look at a polar bear at the North Pole or a penguin at the South . Krill may be among the first animals to have to adapt to warming temperatures .
Biologist says polar animals are incredibly sensitive to temperature changes . Expert : " The Arctic is the coldest place on earth, and it's not because of global warming. The temperature in the western Antarctic is up .9 degree Fahrenheit . Krill may be among the first animals to have to adapt to warming temperatures .