Fire at Pocosin Lakes (IMAGE) Duke University Caption Shrub wetlands along the SE coast of the United States will absorb and store carbon dioxide if they can be re-wetted, but when they dry out or burn, they become a huge source of new greenhouse gases. Credit Duke University Wetland and Coasts Center Usage Restrictions none License Original 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.