Coal, Oil, and Gas Warming (IMAGE) Carnegie Institution for Science Caption This graph shows the ratio of warming from accumulated atmospheric carbon dioxide to warming from combustion for coal, oil, and gas plants over time. Figure is simplified from Zhang and Caldeira's paper (ERL, 2012)'. Credit Xiaochun Zhang and Ken Caldeira Usage Restrictions With credit 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.