Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Majora Carter

Real Estate Developer, Peabody Award-Winning Broadcaster & Urban Revitalization Strategy Consultant

Al Gore

45th Vice President of the United States, Nobel Peace Laureate & Bestselling Author

What the Fossil Fuel Industry Doesn't Want You To Know | Al Gore | TED

Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Ian Bowles

Environmentalist & Energy Expert; Co-Founder of WindSail Capital Group

Peter Gleick

Co-founder & President of the Pacific Institute for Studies in Development, Environment & Security

Bill Drayton

Social Entrepreneur, Founder & C.E.O of Ashoka. Leading an Everyone a Changemaker world movement.

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Robert Redford

Actor, Director, Producer, Environmentalist & Founder of the Sundance Film Festival

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Dr. Jane Goodall

Internationally Renowned Primatologist, Founder of the Jane Goodall Institute & UN Messenger of Peace

Gro Harlem Brundtland

Former Director-General, World Health Organization

Wes Jackson

Founder and Former President of The Land Institute

Michael Dukakis

Former Governor of Massachusetts

Pierre Goldschmidt

A nonresident senior associate at the Carnegie Endowment

Steven Callahan

Steven Callahan is probably best known for his book "Adrift: Seventy Six Days Lost at Sea", based on his own survival voyage.

Jessica Tuchman Mathews

President of the Carnegie Endowment for International Peace

James M. Acton

Senior associate in the Nuclear Policy Program at the Carnegie Endowment