Dr. Steven C. Wofsy is the Abbott Lawrence Rotch Professor of Atmospheric and Environmental Science at Harvard University. He earned his BS in Chemistry from the University of Chicago, and his MA and Ph.D. in Chemistry from Harvard. Dr. Wofsky’s extensive research interests include: Terrestrial carbon, effects of forests on climate, and climate in forests; inference of large-scale carbon budgets from atmospheric and land surface data; CO2 as a tracer of atmospheric transport in the upper troposphere and stratosphere; and new instrumentation for measuring atmospheric carbon cycle species (CO2, CO, CH4). He has served on the NASA Earth System Science and Applications Advisory and on the NASA Advisory Council, as well as on the Carbon Cycle Science Plan Working Group and North American Carbon Program writing group.