Smokestacks (image) Carnegie Institution for Science Share Print E-Mail Caption Climate model simulations are used to predict how much warming should be expected for any given increase in the atmospheric concentration of carbon dioxide and other greenhouse gases. New work from Carnegie's Ken Caldeira and Patrick Brown indicates that the climate models that project greater amounts of warming this century are the ones that best align with observations of the current climate. Credit Public domain Usage Restrictions None 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.