Carbon capture (IMAGE) Massachusetts Institute of Technology Caption Dyes are used to reveal the concentration levels of carbon dioxide in the water. On the left side is a gas-attracting material, and the dye shows the carbon dioxide stays concentrated next to the catalyst. Credit Varanasi Research Group Usage Restrictions Images are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images 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.