The Trailbreaker | Aug 14, 2012 | 6:21
Tracking an Arctic Cyclone
Half a million square kilometres of sea ice -- gone in a day. Mark Serreze at Colorado's National Snow and Ice Data Center talks about the role last week's massive cyclone could play in what's already predicted to be a record year for sea ice loss. Hear his conversation with the Trailbreaker's Joslyn Oosenbrug.