Heating Up (IMAGE) Earth Institute at Columbia University Caption Liquid water is a highly efficient destroyer of ice. Here, a meltwater stream runs through Greenland's Russell Glacier. Credit Kevin Krajick/Earth Institute Usage Restrictions Credit must be given. 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.