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Director, Global Center for Environmental Legal Studies
Haub Distinguished Professor of International Law, Elisabeth Haub School of Law at Â鶹ÊÓƵ

Faculty Director, Pace | Haub Environmental Law Program
Haub Distinguished Professor of Environmental Law, Elisabeth Haub School of Law at Â鶹ÊÓƵ

University Professor on the Environment and Gilbert and Sarah Kerlin Distinguished Professor of Environmental Law Emeritus, Haub Distinguished Chair of International Law, Elisabeth Haub School of Law at Â鶹ÊÓƵ

Professor of Law for Designated Service in Environmental Law, Associate Director of Environmental Law Programs, Elisabeth Haub School of Law at Â鶹ÊÓƵ

Assistant Professor of Law, Elisabeth Haub School of Law at Â鶹ÊÓƵ

Executive Director, Pace Energy and Climate Center
Adjunct Professor

Director, UN Environmental Diplomacy Practicum
Adjunct Professor, Elisabeth Haub School of Law at Â鶹ÊÓƵ

Distinguished Senior Fellow, Global Center for Environmental Legal Studies
Professor Emeritus, University for Peace

Adjunct Professor