• Recent Publications:
    • Political Opportunities for Climate Policy: California, New York, and the Federal Government (New York: Cambridge University Press, 2016).
    • “Not Waiting for Washington: Climate Policy Making in California and New York,” Political Science Quarterly, forthcoming.
    • “Wind-Power Development in Germany and the U.S.: Structural Factors, Multiple-Stream Convergence, and Turning Points,” ch. 5 in Andreas Duit, ed., State and Environment: The Comparative Study of Environmental Governance. Cambridge, Mass.: MIT Press, 2014, pp. 111-45.
    • “Explaining Success and Failure in Climate Policies: Developing Theory through German Case Studies,” Comparative Politics 45 (October 2012), pp. 46-68.
    • “Climate Policy Outcomes in Germany: Environmental Performance and Environmental Damage in Eleven Policy Areas,” German Politics and Society 30 (Autumn 2012), 1-34.
  • Research Areas: Climate Policy, Comparative Politics, Energy Policy, Environmental Policy, Environmental politics in Western Europe and the U.S., Politics