DHA Bristol harbour 18 June 2016

David Hempleman-Adams speaks by Bristol harbour, UK, 18 June 2016 the day before the Polar Ocean Challenge - Arctic climate change awareness expedition sets sail in boat 'Northabout' to circumnavigate the North Pole in one summer, in order to demonstrate the increasing recession of Arctic sea ice in the summer months. A call upon the Arctic nations, and the world to Navigate the Future of the Arctic Responsibly.