As leaders from 180 countries gather in Paris to try and finalize a binding climate change agreement, overwhelmingly scientists have reached consensus that Arctic temperatures are rising at twice the rate of the world average. Dave Aplin is director of the World Wildlife Fund’s Arctic Program. He’ll tell us why he believes, along with most scientists, that if the trend isn’t reversed or slowed, the results will be catastrophic not only to wildlife in the region, but to humans across the planet.
(Photo: Flickr/U.S. Geological Survey)