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Co-Director, Global Center for Environmental Legal Studies
Dean Emeritus, Elisabeth Haub School of Law at Ìð¹ÏÊÓƵ

Co-Director, Global Center for Environmental Legal Studies
Haub Distinguished Professor of International Law, Elisabeth Haub School of Law at Ìð¹ÏÊÓƵ

Co-Director, Global Center for Environmental Legal Studies
Haub Distinguished Professor of Environmental Law, Elisabeth Haub School of Law at Ìð¹ÏÊÓƵ

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 Ìð¹ÏÊÓƵ

Professor of Law for Designated Service in Environmental Law, Associate Director of Environmental Law Programs, Elisabeth Haub School of Law at Ìð¹ÏÊÓƵ

Assistant Professor of Law, Elisabeth Haub School of Law at Ìð¹ÏÊÓƵ

Director, UN Environmental Diplomacy Practicum
Adjunct Professor, Elisabeth Haub School of Law at Ìð¹ÏÊÓƵ

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