Michael Greenstone is the Milton Friedman Professor of Economics at the University of Chicago. Prior to joining the faculty at Chicago, he was the 3M Professor of Economics at the Massachusetts Institute of Technology. The focus of his research is on estimating the costs and benefits of environmental quality. In addition to his projects in developed countries, he is currently researching the economic and health impacts of indoor air pollution, climate change, air pollution, and clean water in developing countries. Greenstone served as the Chief Economist for President Obama’s Council of Economic Advisors in the first year of his Administration. He also served as an editor of The Review of Economics and Statistics and as a member of the EPA Science Advisory Board’s Environmental Economics Advisory Committee. His research has been funded by the NSF, NIH, and EPA, as well as private foundations. In 2004, Professor Greenstone received the 12th Annual Kenneth J. Arrow Award for Best Paper in the Field of Health Economics.