At the top of our planet lies the Arctic Ocean - a shape-shifting world of ice and water, home to unique animals like polar bears, harp seals and bowhead whales. Show more
In the far north of our planet lie vast frozen lands of snow-covered forest and open tundra. These are lands of extremes that push animals to their very limits. Show more
Our frozen planet is changing. We meet the scientists dedicating their lives to understanding what these changes mean for animals, people and the world as a whole. Show more
From the poles to the highest mountain peaks, there are surprising frozen worlds found on every continent, and each is home to unique and remarkable animals. Show more
