Will Clyde, University of New Hampshire (IMAGE) University of New Hampshire Caption Will Clyde, associate professor of Earth sciences at the University of New Hampshire, holds a sediment core from the Gilmore Hill area in the Bighorn Basin of Wyoming where he and other coauthors discovered geological records of global warming events that occurred more than 50 million years ago. Credit Kate Freeman 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.