Explorer Levison Wood tracks down some of the most iconic but endangered animals on earth, and gets a better understanding of how they are surviving against worsening odds.
In the last episode of the series, Levison Wood braves temperatures down to minus 35C to travel across east Greenland looking for polar bears. He meets the Innuit people and hears how climate change is changing the landscape at a frightening rate, causing huge problems for both people and animals alike.