Dartmouth Arctic Precipitation Study (IMAGE) Dartmouth College Caption Ben Kopec, a Ph.D. candidate in Dartmouth College's Department of Earth Sciences, and his colleagues find that the melting of sea ice will significantly increase Arctic precipitation, creating a climate feedback comparable to doubling global carbon dioxide. Credit Derek Keats via Foter.com / CC BY Usage Restrictions Credit Derek Keats via Foter.com / CC BY License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.