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Annecoos Wiersema

Environmental and Natural Resources Law
International Law


Annecoos Wiersema received her first law degree (LL.B.) from the London School of Economics in England and her S.J.D. (Doctor of Juridical Science) degree in International and Environmental Law from Harvard Law School.

Prof. Wiersema teaches and researches in the fields of international environmental law, environmental and natural resources law, international law, administrative law and theory, and property law and theory. Her research focuses on how we can develop legal institutions both nationally and internationally that can effectively protect species and ecosystems in the face of ecological complexity and scientific uncertainty.

Prior to joining the faculty at the University of Denver Sturm College of Law, Prof. Wiersema was an Assistant Professor at The Ohio State University Michael E. Moritz College of Law and worked in the Denver office of Arnold and Porter LLP as a litigation associate. Prof. Wiersema was the George W. Foley, Jr. Fellow in Environmental Law at Harvard Law School from 1999-2000 and spent time as a Visiting Scholar at the International Monetary Fund (IMF) in 2001.

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Featured Publications

  • Uncertainty, Precaution, and Adaptive Management in Wildlife Trade, 36 Michigan Journal of International Law, Forthcoming.
  • Climate Change, Forests, and International Law: REDD’s Descent into Irrelevance, 47 Vand. J. Transnat’l L. 1 (2014).
  • Uncertainty and Markets for Endangered Species under CITES, 23(3) Review of European, Comparative & International Environmental Law 239 (2013).
  • What Can the WTO Learn from International Environmental Law?, Panel: Risk, Science and Law in the WTO, 104 AM. SOC’Y INT’L L. PROC. *** (2010).
  • The Scope of the Secretariat’s Powers Regarding the Submissions Procedure of the North American Agreement on Environmental Cooperation under General Principles of International Law, co-authored with Anne-Marie Slaughter, 27 NORTH AMERICAN ENVIRONMENTAL LAW AND POLICY SERIES 1 (2010).