Human Evolution in SWEIT Solution Space (IMAGE) University of Rochester Caption This is a plot of human population, total energy consumption and atmospheric CO2 concentration from 10,000 BCE to today. Note the coupled increase in all 3 quantities over the last century. Credit Michael Osadciw/University of Rochester 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.