 in government at Harvard University in 1988, and a Ph.D. in political science at Harvard University in 1993.He has been awarded grants by the NSF, SSRC, NCEEER, and IREX, and was a Senior Fulbright Scholar in Berlin.His articles have appeared in the "American Political Science Review", "International Organization", "International Studies Quarterly", "The Journal of Conflict Resolution", and "Review of International Relations", and "Global Environmental Politics".