Treks onto the second-largest ice sheet in the world, one of the best places to determine the impacts of a warming climate. Features an aerial view of the ice fjords fed by the glacier behind it.
Take to the ice on dog sled to see how the Inuit hunt in this extreme environment. Onboard The Kisaq, we head through rough weather and pass huge colonies of seabirds - guillemots and kittiwakes and giant icebergs.