Timothy Lyons, University of California - Riverside (image) University of California - Riverside Share Print E-Mail Caption Timothy Lyons is a distinguished professor of biogeochemistry at UC Riverside. Credit Sarah Simpson. Usage Restrictions None Share Print E-Mail 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.