The Arctic and Antarctic remain the greatest wildernesses on Earth. The scale and beauty of the scenery and the sheer power of the elements, the weather, the rough ocean and the ice, is unmatched anywhere else on our planet. Tells the compelling story of animals such as the wandering albatross, the adelie penguin and the polar bear, and paints a portrait that will take your breath away, at a moment when, melting fast, the frozen regions of our planet...

Describes the characteristics of the tundra and the plants and animals that live there.

Life in the extreme. In a fragile world of beauty and hostility, nature finds a way to survive and thrive. Sir David Attenborough explores a planet on the brink of major change.