Rivers' Role in the Carbon Cycle (IMAGE) University of Wyoming Caption Researchers have published new findings on the role of US rivers and streams, including Wyoming's Medicine Bow River, in the global carbon cycle. Credit University of Wyoming 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.