Carbon Intake (image) Earth Institute at Columbia University Share Print E-Mail Caption A living foraminifera, a type of marine plankton, that researchers grew in laboratory culture. To reconstruct past climate, fossilized specimens are collected from deep sea sediments. Credit Bärbel Hönisch/Lamont-Doherty Earth Observatory Usage Restrictions Credit must be given. Share Print E-Mail 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.