The Environmental Performance Index is a joint project of the Yale Center for Environmental Law & Policy and The Center for International Earth Science Information Network (CIESIN) at Columbia University’s Earth Institute. The EPI is produced in collaboration with the World Economic Forum (WEF).

Lead authors

Zachary A. Wendling, Principal Investigator, Yale Center for Environmental Law & Policy

John W. Emerson, Adjunct Professor and Director of Graduate Studies, Department of Statistics and Data Science, Yale University

Alex de Sherbinin, Associate Director, Center for International Earth Science Information Network, Columbia University

Daniel C. Esty, Director, Yale Center for Environmental Law & Policy

Writers

School of Forestry & Environmental Studies, Yale University

Kara Hoving, Christina D. Ospina, Jon-Michael Murray, Liam Gunn, Margaret Ferrato, Maximilian Schreck

Yale College

Mathew Jacob, Nick Dahl, Alexia Godron

Data programming

Department of Statistics and Data Science, Yale University

Nick Dahl, Nicholas Dorobek, Sharon Handoko

Geospatial analysis

Center for International Earth Science Information Network, Columbia University

Tricia Chai-Onn, Senior Geographic Information Specialist

Jane Mills, Geographic Information Specialist

Researchers

School of Forestry & Environmental Studies, Yale University

Qingyang Liu, Harris Feldman, Kathryn Sierks

Yale College

Rachel Chang, Begoña Madridejos

School of Social and Political Science, The University of Edinburgh

Antonio Ballesteros-Figueroa

Data visualization

School of Forestry & Environmental Studies, Yale University

Qiuzi Chen

Graphic design

Yale Printing & Publishing Services

Gregg Chase

Website development

School of Forestry & Environmental Studies, Yale University

Michael Slattery

Yale Printing & Publishing Services

Nicholas Appleby

Media strategy

Yale College

Daniela Schulman

Adam Mickiewicz University

Jakub Nowosad, Assistant Professor, Institute of Geoecology and Geoinformation

The Anthropocene Institute

Jennifer Sletten, Staff Attorney, Oceans; ProtectedSeas Outreach Coordinator

Virgil Zetterlind, ProtectedSeas Director

Closed Loop Partners

Jon Powell, Vice President

Columbia University

Marc A. Levy, Deputy Director, Center for International Earth Science Information Network

Commonwealth Scientific and Industrial Research Organisation (CSIRO)

Simon Ferrier, Chief Research Scientist, CSIRO Land & Water

Tom Harwood, Senior Research Scientist, CSIRO Land & Water

Chris Ware, Research Scientist, CSIRO Land & Water

Esri

Dan Pisut, Living Atlas of the World Environment Lead

Rebecca Lehman, Account & Program Manager, Nonprofit & Global Organizations

Google Earth Outreach

Brian Sullivan, Senior Program Manager

Noel Gorelick, Co-founder, Google Earth Engine

Institute for Health Metrics and Evaluation

Michael Brauer, Professor, Department of Health Metrics Sciences; Lead, Environmental Risk Factors Team

Katrin Burkhart, Assistant Professor, Department of Health Metrics Sciences

Jeff Stanaway, Assistant Professor, Department of Health Metrics Sciences

Ashley Marks, Project Officer

Charlie Ashbaugh, Project Officer

Fiona Bennitt, Data Extraction Analyst

Kate Causey, Post Bachelor Fellow

Sarah Wozniak, Post Bachelor Fellow

Jeff Zhao, Post Bachelor Fellow

Map of Life

Walter Jetz, Professor of Ecology and Evolutionary Biology and of Forestry and Environmental Studies, Yale University

Yanina Sica, Research Associate

Wendy Dorman, Research Associate

D. Scott Rinnan, Research Scientist

Ajay Ranipeta, Senior Software Engineer

John Wilshire, Senior Software Engineer

Anna Schuerkmann, Program Manager

Michelle Duong, Project Manager

Mullion Group

Robert Waterworth, Chief Executive Officer

Geoff Roberts, Senior Consultant

Robert de Ligt, Senior Consultant

B. Holt Thrasher, Synovia Capital, Board Member

Sea Around Us

Maria L.D. Palomares, Senior Scientist and Project Manager

UN Environment World Conservation Monitoring Centre

Katherine Despot-Belmonte, Programme Officer

University of Maryland Center for Environmental Science

Xin Zhang, Assistant Professor, Appalachian Laboratory

Tan Zou, Ph.D. student, Appalachian Laboratory

World Resources Institute

Mikaela Weisse, Program Manager, Global Forest Watch

Mengpin Ge, Associate, Climate Program