There, he holds the title of Lenfest Professor of Natural Resource Economics at the School of International and Public Affairs and The Earth Institute.
His book on the subject Environment and Statecraft: The Strategy of Environmental Treaty Making was published in 2003.
[1] More recently, he has been publishing on the institutions set up to control the regional and global spread of infectious diseases.
The Incentive to Supply Global Public Goods, was published by Oxford University Press in September 2007.
This book examines a wide range of issues, from nuclear proliferation to infectious disease pandemics, from over-fishing to peacekeeping, from asteroid defense to big science, from the standard for determining the time to international development.