Her research focuses on the historical development of scientific knowledge, methods, and practices in the earth and environmental sciences. Dr. Oreskes has also been a visiting associate professor in the Department of History of Science at Harvard University. Before going to the University of California, she was an associate professor of history and philosophy of science at New York University. She was a member of the NRC Committee for the International Union of Geological Sciences. She received her B.Sc. from University of London in England and her Ph.D. from Stanford University.