Van Jones

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Ayana Elizabeth Johnson

Marine Biologist, Conservation Strategist, Founder & CEO of Ocean Collectiv

What If We Get It Right?: Visions of Climate Futures

Graham Hill

Founder of Life Edited & TreeHugger.com

David Suzuki

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

Alicia Silverstone

Actress & Animal Rights Activist

Bernard Kouchner

Former Minister of Health of France; Founder of Nobel Peace Prize-Winning Médecins Sans Frontières

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Elizabeth Economy

C.V. Starr Senior Fellow & Director of Asia Studies at the Council on Foreign Relations

Vandana Shiva

World-Renowned Environmental Leader

Alex Steffen

Author of "Carbon Zero: Imagining Cities That Can Save the Planet"

Marcus Scribner

Two-Time NAACP Image Award-Winning Actor Known for ABC's "Black-ish" & Founder of Scribner Productions

Philippe Cousteau

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

Cameron Sinclair

World-Class Visionary; Co-Founder of Architecture for Humanity

Mike Love

Lead Singer and a Founding Member of The Beach Boys.

Nikolaj Coster-Waldau

Actor Known for his Role as Jamie Lannister on HBO's "Game of Thrones"

Tatiana Schlossberg

Award-Winning Journalist, Environmentalist, Author of "Inconspicuous Consumption: The Environmental Impact You Don't Know You Have" & Granddaughter of JFK

Rose George

Author, A Life Removed, The Big Necessity, Ninety Percent of Everything

Leila Connors Petersen

Co-Founder & Director, Tree Media Group