Bernice Notenboom and Dr. Alun Hubbard lead an expedition across the Greenland Ice-sheet all the way north to Qaanaaq, a remote Inuit community, to explore the rate of melt of the Greenland Ice-sheet. They explore the Jakobshavn Glacier, examine moulins, and study ice core samples. This film examines the three degrees of global warming and its effects on global ocean circulation.