As climate change causes the Arctic sea ice to recede, the Greenpeace ship MY Esperanza has sailed north of Svalbard, to survey the poorly understood Arctic Ocean sea bed. Meanwhile on the surface the crew are tracking and documenting fishing vessels from an industry that is encroaching on this fragile, unstudied ecosystem. Greenpeace is calling for the area of the Arctic Ocean historically protected year round by sea ice to be closed to all industrial activity, including destructive fishing.