Elinor Ostrom, Arizona State University (IMAGE) Arizona State University Caption Elinor Ostrom presents an updated version of a multilevel, nested framework for analyzing outcomes achieved in social-ecological systems in the July 24 issue of Science. Ostrom holds faculty and research positions at Arizona State University and Indiana University. Credit (Jacob Kriese/Indiana University) Usage Restrictions with credit 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.