A Forest West of Fort Collins, Colo. (IMAGE) NOAA Headquarters Caption Earth's oceans, forests and other ecosystems remove about half the greenhouse gas carbon dioxide emitted by fossil fuel burning and other human activities; The rest continues to accumulate in the atmosphere, causing warming, according to a new University of Colorado and NOAA study published in Nature. Credit Will von Dauster, NOAA 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.