Warren Tomkiewicz is professor of Earth system science and chair of the Environmental Science and Policy Department at Plymouth State University in Plymouth, New Hampshire. He teaches undergraduate courses in Earth system science, environmental science, and ocean studies, and graduate courses in science education. He is also graduate coordinator for the M.S. and MAT programs in science education. Warren has been the recipient of several grants funding professional development institutes, courses, and workshops for science teachers in New Hampshire and Maine. His current research interests include effective teaching and learning strategies in undergraduate Earth system science and environmental science courses. He coordinates an action research project with science teachers on teaching and learning science as inquiry. He received his Ed.D. from Boston University, M.S. from Northeastern University, and B.S. from Plymouth State College.