On Thin Ice

Premiered April 22, 2012

David Attenborough investigates what rising temperatures will mean for the people and wildlife that live at the poles — and for the rest of life on the planet. His journey starts at the North Pole, where polar bears are struggling to find food as the sea ice on which they hunt forms later and disappears earlier every year. In Antarctica, glaciers have clearly retreated in the last 100 years, and ice-loving animals like Adélie penguins are being pushed aside by more temperate penguins.

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