Wetland CO2 Chambers at Sunrise (IMAGE) Smithsonian Caption Sunrise at the Global Change Research Wetland, a site of futuristic climate research at the Smithsonian Environmental Research Center in Edgewater, Maryland. These chambers have been growing plants with extra CO2 since 1987. Credit Tom Mozdzer Usage Restrictions Journalists may use this image in their articles provided they include the credit information listed here, in accordance with the Smithsonian's Terms of Use (https://www.si.edu/termsofuse) 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.