Graph (1 of 3) (IMAGE) Max-Planck-Gesellschaft Caption This is the age distribution of annual carbon dioxide emissions of an average US resident. 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.