Salt Marsh (IMAGE) University of Maryland Caption Salt marshes, such as this one in the Waquoit Bay National Estuarine Research Reserve in East Falmouth, Massachusetts, capture and store large amounts of carbon dioxide from the atmosphere every year. Credit Ariana Sutton-Grier 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.