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Ann Powers

Ann Powers
Ann Powers

Associate Professor of Law Emerita
BA, Indiana University
JD, Georgetown University Law Center

(914) 422-4232
Office: P222

Leslie Crincoli
Office: P212-222
(914) 422-4413

Office Hours:
Please contact Leslie Crincoli for current office hours.


Professor Ann Powers is a faculty member of the Center for Environmental Legal Studies, where she teaches a range of environmental courses focusing on the law of oceans & coasts, international environmental law, UN diplomacy and water quality. Her scholarship includes emerging ocean issues and water pollution trading programs, among other subjects. Professor Powers’ recent work has focused particularly on ocean and international issues, and she has worked with United Nations Environment Program projects, and the International Union for Conservation of Nature's (IUCN) Commission on Environmental Law and its Law Academy.

Until joining the Center in 1995, she was vice president and general counsel of the Chesapeake Bay Foundation, a major regional non-profit environmental organization, where she supervised the Foundation’s legal work and its pollution control advocacy program. Professor Powers also served as a senior trial attorney in the Environmental Enforcement Section of the U.S. Department of Justice, handling both civil and criminal cases, and as an Assistant United States Attorney for the District of Columbia. Professor Powers has testified on numerous occasions before the United States Senate and House of Representatives, and state legislatures and commissions. She has served on many boards and panels, including the National Research Council’s Board on Environmental Studies and Toxicology, and the board of directors of the Environmental Law Institute, the Pace Environmental Litigation Clinic, and the American Bar Association’s Standing Committee on Environmental Law.

Professor Powers is a graduate of Indiana University and Georgetown University Law Center. She clerked for the Honorable Thomas A. Flannery, U.S. District Judge for the District of Columbia.

Professor Powers assumed emerita status in 2014.


Jeffrey Miller, Ann Powers, Nancy Long, Introduction to Environmental Law: Cases and Materials on Water Pollution Control (Environmental Law Inst. 2008)


Emerging Ocean Uses in Ocean and Coastal Law and Policy (Baur et al., eds.; ABA, 2d ed.) (with Odin Smith)

  Trade in Fish and Fisheries Products in Ocean and Coastal Law and Policy (Baur et al., eds.; ABA, 2d ed.) (with David K. Schorr)
Amicus Brief Center for Biological Diversity, Inc. v. BP America Production Co., No. 12-30136 (5th Cir. 2012) (Deepwater Horizon litigation).
Articles Sea Level Rise and Its Impact on Vulnerable States: Four Examples, 73 La. L. Rev. 151 (2012)
  Commentary, The Rio+20 Process:  Forward Movement for the Environment?, 1Transnt’l Envt’l J. 403 (2012)
  The Protection of the Marine Environment from Land-based Pollution and   Activities: Gauging the Tides of Global & Regional Governance, 23 Int’l J.  Marine & Coast. L. 423 (2008) (with David VanderZwaag)
  The Connecticut Nitrogen Exchange Program, 14 Penn St. Envtl. L. Rev. 195 (2006)
  The Current Controversy Regarding TMDLs: Contemporary Perspectives "TMDLs And Pollutant Trading,” 4 Vt. J. Envtl. Law 1 (2003)
  Justice Denied? The Adjudication of Extradition Applications, 37 Texas Int’l L. J. 277 (2002)
  Gwaltney of Smithfield Revisited, 23 Wm. & Mary Envtl. L. & Policy Rev. 557 (1999)
  Reducing Nitrogen Pollution on Long Island Sound:  Is There a Place for Pollutant Trading?, 23 Colum. J. Envtl. L. 137 (1998)
Other Publications Environmental Policy & Law Journal, rapporteur for UN meetings, including Law of the Sea and Commission on Sustainable Development (2010-present)
  Contributor, International Environmental Law, International Legal Developments Year in Review:  2012, 47 Int’l Lawyer 435, ABA Section of Int’l Law (2013)
  Reflections on Oceans and SIDS, 42 Envt’l Policy & Law Journal 239 (2012)
  One Participant’s Diary, Envt’l Policy & Law Journal 140 (2012)
  Farming the Ocean, Natural Resources & Environment Journal, ABA Section of Environment, Energy, and Resources 45 (Fall 2007) (selected by ABA General Practice, Solo and Small Firm Division as one of best articles published by ABA, and republished in condensed version, GPSolo 32 (March 2008))
  Federal Water Pollution Control Act (1948), in Major Acts of Congress, McMillan Reference USA (2004)
  Environmental Citizen Suits at Thirtysomething:  A Celebration and Summit, 33 Envtl. L. Rep. 10721, 10729 (2003) (conference remarks) (co-authored)
  1997 Air Quality Standards:  It's Not Over Yet, The Environmental Manager's Advisor, Oct. 20, 1997, at 3 (with David R. Wooley)
  Long Island Sound:  A Bibliography of Legal and Related Materials, 14 Pace Envtl. L. Rev. 447 (1997) (with Eric S. Andreas)
  Environmental Citizen Suits, in Understanding The Clean Water Act, Video for Lawyers Study Materials (A.L.I.-A.B.A. 1995)
  Common Ground May Be Bad For The Environment, in The Forum:  Is There Common Ground?, Envtl. L.  Forum, July/Aug. 1995, at 44
  Keep Government Participatory, in The Forum: Lessons Worth Learning, Envtl. L.  Forum, Nov./Dec. 1994, at 67
  Environmental Law is Alive and Well Outside of the Beltway, in A Guide To Environmental Law In Washington 198 (Envtl. L. Inst. 1990)
  What Would You Do If You Were Running EPA?, 18 ENVTL. L. REP. 10243 (Envtl. L. Inst. 1988)
  Citizen Suit Outline, in The Clean Water Act, Litigation and Admin. Practice Series (Practicing Law Inst. 1987)
  A Layman's Guide to the Takings Issue, in Wetlands Of The Chesapeake:  Conference Proceedings (Envtl. L. Inst. 1985)
  A Citizen’s View of Gwaltney, 18 Envtl. L. Rep. 10119 (Envtl. L. Inst. 1988)
Lessons from Across the Waters, presenter, Stanford Law School Symposium on Emerging Perspectives on the Law, Science, and Policy of Dynamic Marine Conservation 2013
  Regional Ocean Planning in the Mid-Atlantic, moderator; concluding panel commentator, Seton Hall Law School Regional Ocean Governance Symposium 2013
  What If Plans Were Law, Panelist, Yale Law School, New Directions in Environmental Law 2013
  The Clean Water Act @ 40, interactive panel of experts, Harvard Law School and & Natural Resources Defense Council 2012
  RIO+20: Initial Observations, Insights, and Collective Impressions, panelist, ABA Section of Environment, Energy, and Resources webinar 2012
  Teaching the Art of Environmental Diplomacy, presenter, 10th IUCN Academy of Environmental Law Colloquium, Univ. of Maryland 2012
  From New Orleans to Nauru: Coasts and the Climate Debate, presenter, Louisiana Law Review’s 2012 Symposium, Coastal Land Loss in the Gulf Coast and Beyond
  Old Laws, New Problems: Evolving Strategies for Water Quality, workshop co-leader, Yale Law School, New Directions in Environmental Law, [Re]claiming Accountability 2011
  Coastal and Ocean Resources: Protection for the Most Vulnerable States, presenter, 9th Worldwide Colloquium of the IUCN Academy of Environmental Law; chair, Governance and Water Management: Water and Ownership (property) Issues panel, South Africa 2011
  Rising Waters Don’t Float All Boats: Preserving Marine Rights, presenter, Threatened Island Nations Conference:  Legal Implications of Rising Seas and a Changing Climate, Columbia Law School 2011
Video "Environmental Citizen Suits," in Understanding the Clean Water Act (ALI-ABA 1995).