Greenland Ice Sheet (image) University of Bristol Share Print E-Mail Caption This image shows that the ice along the western margin of the Greenland Ice Sheet has a dark band which grows each summer. Dark ice adsorbs more sunlight, and melts faster. Credit Jason Box, GEUS Usage Restrictions Single use only with the press release. Share Print E-Mail 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.