Earth Day screening of award-winning documentary Chasing Ice. Video clip from panel discussion.
Jeff Orlowski, director of Chasing Ice
Andy Revkin, author of the New York Times DotEarth blog
Dr. Radley Horton, Columbia University, NASA Goddard Institute for Space Studies
Dr. Marco Tedesco, Director, Cryospheric Processes Laboratory, City College of New York
Video by Jodie Childers and Dan Messina