Energy Inequality Lessens (IMAGE) Joint Quantum Institute Caption This is a plot of the accumulative capita energy consumption versus accumulative population for four different years: 1980 (blue curve), 1990 (brown), 2000 (green), 2010 (red) and idealized exponential (black). Credit Yakovenko 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.