Won Chang, University of Cincinnati (IMAGE) University of Cincinnati Caption University of Cincinnati professor Won Chang helped develop a climate model predicting an ice-free Arctic Ocean in September if global average temperatures increase by as little as 2 degrees. Credit Joseph Fuqua II/UC Creative Services 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.