StewartRichard Stewart
Faculty Director
University Professor; John Edward Sexton Professor of Law

Vanderbilt Hall 411F
(212) 998-6170

Professor Richard Stewart is recognized as one of the world’s leading scholars in environmental and administrative law. Prior to joining the faculty, Stewart served as Byrne Professor of Administrative Law at Harvard Law School and as a member of the faculty of the Kennedy School of Government at Harvard. He has served as assistant attorney general in charge of the Environment and Natural Resources Division of the US Department of Justice and chairman of the Environmental Defense Fund. Stewart directs the NYU Climate Finance Project, which addresses new legal and regulatory institutions and tools for international transfer of public and private investment resources to developing countries. The project has published a pioneering book on the subject and held workshops and training sessions at the Copenhagen and Cancun climate meeting. It is currently developing a proposal for a Global Climate Finance Registry to promote accountability and effectiveness in global climate finance. He recently published a major book on US nuclear waste law regulation and policy. Together with Michael Oppenheimer and Bryce Rudyk, Stewart also heads the Guarini Center’s research on “Alternative Structures for Climate Action,” which explores innovative institutional strategies for global climate protection that are complementary to, but also distinct from, the existing UN framework.

Recent publications:

Isabel Cavelier
Senior Fellow

Isabel Cavelier is Co-founder and Director of Vision of Transforma, senior advisor to the Mission2020, director of strategy at the International Climate Politics Hub, and senior fellow at the New York University School of Law. Isabel is a Lawyer and a Professional in Languages and Sociocultural Studies from Los Andes University, and holds a Master of Laws from Cambridge University. She has worked as a Minister Counsellor at the Colombian Mission to the UN in New York and as a foreign affairs adviser on environmental and sustainable development issues. She was the first leader of the Support Unit within for Independent Association of Latin America & Caribbean (AILAC). She has been consultant at UN Women, and the UN’s High Commissioner’s Office for Human Rights in Colombia. She has published books and articles on Colombian foreign policy, climate finance, climate change and human rights, gender justice and radical discrimination, among others.

David Kanter
Faculty Fellow

David Kanter is an Assistant Professor of Environmental Studies. His research examines the interconnected challenges of nitrogen pollution, food security and sustainable development, with a particular focus on: 1) the scientific, socioeconomic and legal dimensions of returning to a safe planetary boundary for nitrogen; and 2) balancing the multiple, and often competing objectives of sustainable agricultural intensification – from agricultural productivity to human wellbeing. David uses an interdisciplinary set of research methods to investigate these issues, from Earth Systems and economic time series modeling, to expert elicitation and legal analysis. Prior to this post, he was a Postdoctoral Research Fellow at The Earth Institute at Columbia University.

KeohaneNathaniel Keohane
Adjunct Professor of Law
Vice President, Environmental Defense Fund


Nat is a Vice President at Environmental Defense Fund, a leading nonprofit advocacy organization based in New York, with a focus on EDF’s climate change work across the organization’s programs. He returned to EDF from the White House, where he was Special Assistant to the President for Energy and Environment in the National Economic Council and Domestic Policy Council. In that capacity, he developed and coordinated Administration policy on a range of environmental and energy-related issues, both domestically and internationally.

From 2007 to 2010, he was Director of Economic Policy and Analysis and then Chief Economist, where he helped to shape the organization’s advocacy for market-based environmental policies across a range of program areas, including climate, air quality, energy, water, ecosystems and oceans. From 2001, he was an Assistant and then Associate Professor of Economics at the Yale School of Management. His research in environmental economics has appeared in prominent academic journals. He is the co-author of Markets and the Environment (Island Press, 2007), and co-editor of Economics of Environmental Law (Edward Elgar, 2009).

Yael Lifshitz (SJD ’18)
Non-Resident Fellow

Yael’s researches and teaches in the areas of energy law, natural resources and property law. She studies questions of resource control as applied to energy and natural resources. In her latest project, she unearths the new property-energy connection that has emerged due to fundamental shifts in the generation of electricity in our world today. Lifshitz has published in journals such as the University of Toronto Law Journal, Stanford Environmental Law Journal and UCLA Journal of Environmental Law & Policy. She has presented her work at forums such as the American Law and Economics Association, and at seminars and conferences at NYU, Yale, Michigan, Columbia, University of British Columbia and Tel Aviv University.

Yael is a Lecturer in Property and Trusts at King’s College London. Prior to joining King’s College London, she was an Associate in Law and Lecturer at Columbia University in New York. Previously, she served as advisor to the Environmental and Energy Law LL.M. program at NYU Law School, and as a clerk on the Supreme Court of Israel, to both Hon. Deputy Chief Justice Rivlin and Hon. Justice Vogelman. She earned a J.S.D. and an LL.M from NYU School of Law, and a LL.B, magna cum laude, from the Hebrew University of Jerusalem.

Select Publications:
Private Energy, STAN. ENVTL. L.J. (2019) (forthcoming)
Rethinking Original Ownership, 66 U. TORONTO L.J. 515 (2016)
Winds of Change: Drawing on Water Law Doctrines To Establish Wind Law, 23 N.Y.U. ENVTL. L.J. 434 (2015)
Gone with the Wind? The Potential Tragedy of the Common Wind, 28 UCLA J. ENVTL. L. & POL’Y 435 (2010)

_MG_8835Adalene Minelli (LLM ’19)
Legal Fellow
Wilf Hall 320H
(212) 998-6445

Adalene is a Legal Fellow at the Guarini Center. She received her dual B.A. in Environmental Studies and Political Science from Stony Brook University, her J.D. from Cardozo School of Law, and her LL.M. in Environmental and Energy Law from New York University School of Law. Her primary research interests are in international environmental law, sustainable development, and urban environmental law.

While in law school, Adalene interned with the Office of Regional Counsel at the Environmental Protection Agency Regions 2 and 4, with the Environmental Protection Bureau at the New York State Office of Attorney General, and with the United Nations Environment Programme (UNEP). She subsequently worked as a consultant to UNEP’s Division of Environmental Law and Conventions where she led research on the interplay between various multilateral environmental conventions and the Sustainable Development Goals.

Recent Publications and Blog Posts:

OppenheimerMichael Oppenheimer
Visiting Professor of Law
Albert G. Milbank Professor of Geosciences and International Affairs, Princeton University


Michael, a regular visiting professor, is the Albert G. Milbank Professor of Geosciences and International Affairs in the Woodrow Wilson School and the Department of Geosciences at Princeton University. He is the director of the Program in Science, Technology and Environmental Policy at the Woodrow Wilson School and faculty associate of the Atmospheric and Ocean Sciences Program, Princeton Environmental Institute, and the Princeton Institute for International and Regional Studies. In the spring term, he usually teaches the Global Environmental Law, Science and Governance seminar.  The seminar has both NYU Law and Princeton students, and classes alternate between the campuses.

He is currently a coordinating lead author on the Intergovernmental Panel on Climate Change’s Fifth Assessment Report.

Recent Publications and Blog Posts:

Jennifer Park
International Climate Fellow
Wilf Hall 320J

Jennifer served as an advisor on climate change to United Nations Secretary-General Ban Ki-Moon from 2013-2017 supporting the development and execution of the Secretary-General’s climate strategy. Jennifer was one of the lead officers responsible for the Secretary-General’s engagements with world leaders and his efforts to deliver the Paris Agreement, which became one of the fastest international agreements to enter into force. She also served as renewable energy focal point within the Secretary-General’s Executive Office to launch several energy initiatives during the 2014 Climate Summit.

Prior to that, Jennifer served as Legal Advisor to the Chair of the Alliance of Small Island States in the United Nations climate change negotiations. She also practiced as a Litigation associate at Clifford Chance US LLP in New York and as an investment analyst at a major Wall Street firm. Jennifer holds a JD from Northwestern University School of Law, an MIA in Energy & Environment Policy from the School of International and Public Affairs at Columbia University, and a BA in Political Science from Wellesley College.

_MG_8835Bryce Rudyk (LLM ’08)
International Environmental Law Program Director
Adjunct Professor of Law

Wilf Hall 311
(212) 992-8105

Bryce’s work on international environmental issues and global governance bridges both the practical and academic realms.

He is the Legal Advisor to the Chair of the Alliance of Small Island States (AOSIS) at the United Nations. AOSIS, currently chaired by Antigua & Barbuda, is the negotiating group on climate change, sustainable development and oceans issues for the 39 small island developing states around the world. He has been legal advisor since 2013 and participated in the negotiation of the Paris Climate Agreement focusing on institutional and compliance issues, and the incorporation of non-state actors into the international agreement. In addition, he directs the AOSIS Fellowship, a SIDS-designed capacity building and policy empowerment program that brings early career SIDS diplomats to New York and UN Headquarters for a year of training and practical experience in their diplomatic missions.

On the academic side, he is the Director of the United Nations Diplomacy Clinic and Adjunct Professor of Law at the NYU School of Law, and Senior Fellow at the Guarini Center on Environmental, Energy and Land Use Law. He teaches International Environmental Law, Global Environmental Governance and UN Diplomacy. He has authored a number of articles and a book, focusing on the governance of global environmental problems and the incentives and legal and institutional regimes created to manage these problems.

He has an LLM in International Law from NYU Law, a JD from the University of Toronto, and a BSc in Biology from McMaster University. He practiced private international law in Toronto and was a policy expert and advocate for higher education. .

Recent Publications and Blog Posts:

Karmjit Sangha
International Climate Fellow
Wilf Hall 320J

Karmjit is an International Climate Fellow at the Guarini Center where his work focusses on multilateral diplomacy, small island developing states, climate change and sustainable development issues.

From 2012-2018 he worked as a Senior Legal Advisor to the Chair of the Alliance of Small Island States (AOSIS). Prior to that he worked as a sustainable development advisor to the Permanent Mission of Maldives to the UN where he was the lead technical expert on the Rio+20 negotiations. He holds an LL.M in International Law and Justice from Fordham University and a joint JD/MBA degree and a Bachelor of Environmental Studies degree from York University.

Sara Savarani ’18
Legal Fellow
Wilf Hall 320I
(212) 998-6445

Sara is a Legal Fellow at the Guarini Center. Her research spans from urban environmental law and sustainability to global ocean governance and plastics. She received her B.S. in Environmental Science from UCLA and her J.D. from New York University School of Law.

While at UCLA, Sara was part of a team that endeavored to create a municipal carbon neutral scoping plan. In law school, she conducted research for the Institute for Policy Integrity and worked as a summer law clerk at the California Office of the Attorney General in the Lands, Environment, and Natural Resources Law sections. Sara was Managing Editor of the Environmental Law Journal while at NYU School of Law.

Recent Publications and Blog Posts:

Vidya Vijayaraghavan
Legal Research Fellow
Wilf Hall 320G

Vidya Vijayaraghavan is an environmental lawyer from India. She received her LLM in Environmental and Energy Law from NYU Law School and B.A.L.L.B (Hons) from Gujarat National Law University, India with a distinction. Before joining NYU, she advised the UNDP, India on an international biodiversity project involving 24 countries for a year. Previously, she served as a legal consultant for the National Biodiversity Authority under the Indian Ministry of Environment and Climate Change, for 5 years. She provided legal and policy advice on national and international biodiversity issues and served in expert committees on complex biodiversity topics. She has handled more than 20 cases involving biopiracy claims, traditional knowledge and biodiversity rights for the Ministry and the Authority.
Notably, she supported the drafting of access and benefit sharing (ABS) guidelines, a pioneer environmental legislation in India and has reviewed ABS legislations for 22 states in India. She has contributed to drafting similar ABS bills in Namibia and Vietnam, for which she earned special appreciation from their environment ministries. She also served as an expert reviewer for International Law Development Organization for designing capacity building materials related to Nagoya Protocol for global biodiversity lawyers.
While at NYU, she was a student lawyer for the Climate Change Litigation team of the Global Justice Clinic and a member of the sustainability committee. She was also a research assistant for Katrina Wyman, Director, Environmental and Energy Law LLM Program and worked on assignments related to global air pollution and climate change issues. Her research interests include climate change, internationalocean and marine life protection, clean energy, sustainability, SDGs, indigenous and traditional knowledge rights and environmental justice.

Recent Publications
• Implementation of Access and Benefit Sharing: Emerging Issues, Practical Challenges and Lessons Learned in the Indian Context”, Lex-Warrier, 2018
• Challenges on the Implementation of Bio trade and Access and Benefit Sharing, Peer review on the implementation of the Nagoya Protocol and its impact over certain aspects of bio trade, UNCTAD, 2015

spiegelfeldDanielle Spiegel-Feld ’10
Executive Director, Adjunct Professor of Law
Wilf Hall 312
(212) 998-6146

Danielle is the Executive Director at the Guarini Center where her research focuses on urban environmental law and sustainable energy policy. She is also an adjunct professor and is currently teaching a seminar in Urban Environmental Law & Policy with Katrina Wyman. Previously, she served as a research fellow in Climate Change and the Law at the University of Copenhagen’s Faculty of Law where she studied interactions between international trade law and domestic environmental policy. While in Copenhagen, Danielle lectured in courses on international energy law, international environmental law, and the law of the World Trade Organization. Danielle has written on a wide variety of environmental topics including building energy efficiency policies, emissions trading regimes, green infrastructure programs, renewable energy law, and more. Her work has appeared in a range of scholarly publications as well as media outlets such as The New York TimesUS NewsThe Daily NewsCrain’s, and others. Danielle has also led a number of multi-stakeholder dialogues on topical issues of local and state energy and environmental policy and has conducted substantial comparative environmental policy analyses. Danielle received her J.D. from NYU and her B.A., summa cum laude, from the University of Pennsylvania.

Recent Publications and Blog Posts:

WymanKatrina Wyman
Deputy Faculty Director; Environmental Law LLM Program Director
Sarah M. Herring Professor of Law

Born and raised in Canada, Katrina Wyman has a BA, MA, and LLB from the University of Toronto and an LLM from Yale Law School. Before joining NYU School of Law in 2002, she was a research fellow at the University of Toronto Faculty of Law in 2001-02. Wyman’s research interests relate primarily to property and natural resources law and policy. She has undertaken case studies of the evolution of emissions trading, and property rights in fisheries and taxi licenses. She also has worked on the Endangered Species Act and the policy and legal responses to the possibility that climate change might prompt large-scale human migration. Wyman serves as the director of the Environmental LLM program at NYU Law.

Recent Publications and Blog Posts: