The freezing Arctic is hotting up in more ways than one. Companies and countries are clamouring to get hold of the vast reserves of oil and gas that lie beneath the earth's last frontier. Tourism companies are also looking to the Arctic as a big destination for thrill seekers.
Matthew Swan and his firm, Adventure Canada, has been organising cruises in the Arctic for 25 years. So who better to tell us how the environment has altered in the time since he's been working there?
The President of Iceland talks of his nation's hopes for the future. And, could countries' competing claims eventually lead to an Arctic Cold War?