Permafrost (IMAGE) University of Barcelona Caption Climate change will enhance the process of methane runoff from permafrost to Arctic lakes through groundwater. Credit UNIVERSITY OF BARCELONA Usage Restrictions Credit must be given to the creator. License CC BY 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.