Daniel Schrag is the Sturgis Hooper Professor of Geology, Professor of Environmental Science and Engineering at Harvard University, and Director of the Harvard University Center for the Environment. His primary appointment is in the Department of Earth and Planetary Sciences in the Faculty of Arts and Sciences, with additional appointments in the John A. Paulson School of Engineering and Applied Sciences and at the Harvard Kennedy School, where he co-directs the Program on Science, Technology and Public Policy at the Belfer Center for Science and International Affairs.