Heating Up (image) The Earth Institute at Columbia University Share Print E-Mail Caption Changes in runoff from the Greenland ice sheet during July 2016 compared to the 1981-2010 mean. Redder colors indicate more runoff. Credit Tedesco et al., Nature Communications, 2016 Usage Restrictions Credit must be given. 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.