Arctic Stream (IMAGE) Oregon State University Caption There is little shade in the Arctic, so when the permafrost melts, carbon is released into streams and lakes where a combination of sunlight and microbes converts it to carbon dioxide. Credit Rose Cory, University of Michigan Usage Restrictions None 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.