Graph (3 of 3) (IMAGE) Max-Planck-Gesellschaft Caption This is the yearly average changes in consumption and CO2 emissions of the US population between 2007 and 2050, assuming the age structure changes, but not the population size. Credit MPIDR, Emilio Zagheni 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.