60 Minutes' Lesley Stahl travels to Greenland to investigate the effects of global warming in the Arctic.
The Years Project: http://yearsoflivingdangerously.com/
It's the biggest story of our time. Hollywood's brightest stars and today's most respected journalists explore the issues of climate change and bring you intimate accounts of triumph and tragedy. YEARS OF LIVING DANGEROUSLY takes you directly to the heart of the matter in this awe-inspiring and cinematic documentary series event from Executive Producers James Cameron, Jerry Weintraub and Arnold Schwarzenegger.