Tonight, Simon travels to an unspoilt corner of Greenland that could become one of the biggest uranium mines in the world - a decision that's dividing the community - while Kate follows the oil money that's shaped Alaska and the bitter battle over offshore drilling.Award-winning wildlife cameraman Gordon may already have come face to face with polar bears in Svalbard for The Polar Bear Family And Me, but in Churchill he learns how to live in a town where the world's largest living land carnivore is right on your doorstep.The team will be live on the tundra to bring viewers the very latest from the bears.