James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Carl Safina

Ecologist & Writer

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Louie Schwartzberg

Award-Winning Cinematographer, Director, Photographer and Filmmaker

Emmanuelle Chriqui

Actress Known for "Entourage;" Social Advocate for Colon Cancer, Environmental Issues & Human Rights in Congo

Don Cheadle

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

Alicia Silverstone

Actress & Animal Rights Activist

John Passacantando

Former Executive Director of Greenpeace USA

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Philippe Cousteau

Explorer, Social Entrepreneur & Environmental Advocate; Grandson of Captain Jacques-Yves Cousteau

Laurie David

Producer, Activist Author,The Family Dinner: Great Ways To Connect With Your Kids One Meal At A Time

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Jan Schlichtmann

Environmental Lawyer & Author, Subject of the Film "A Civil Action"

Robert Redford

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

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Van Jones

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

Al Gore

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

Sylvia Earle

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

Jean-Michel Cousteau

Jean-Michel Cousteau is a French explorer, environmentalist, educator, film producer, the first son of ocean explorer Jacques-Yves Cousteau and is the father of Fabien Cousteau and Celine Cousteau

Majora Carter

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

Ian Bowles

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

Yann Arthus-Bertrand

Photographer & Videographer

Gonzalo Delacámara

Director of the IE Center of Water & Climate Adaption; Global Expert in Climate Change Adaption & Authority in Sustainability & Natural Resources

IDA WC 2022 - Dr. Gonzalo Delacámara

Jacqueline Patterson

Founder & Executive Director at The Chisholm Legacy Project

Jacqueline Patterson | 2021 Environmental Justice Symposium

Quannah Chasinghorse

Indigenous Activist & Model

Quannah ChasingHorse on Representation, Climate Exploitation

Paul Wheaton

Permaculture Advocate

Natalie Kyriacou OAM

Environmental + Social Impact Leader, Australian Top Innovator & Australia’s Top ‘Green’ Voice

Vedika Bhandarkar

Chief Operating Officer at Water.org

Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Diva Amon

Star of "Welcome to Earth" on Disney+; Caribbean Marine Biologist & 2022 Pew Fellow