Open Site MOFs (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Open-metal site MOFs are crystalline molecular systems that can serve as storage vessels with a sponge-like capacity for capturing and containing carbon dioxide and other flue gases before they enter the atmosphere. Credit Image courtesy of Berend Smit 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.