Shailene Woodley

Environmental Activist & Actress Known for "Divergent"

Ricardo Lagos

Former President of Chile

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Mike Love

Lead Singer and a Founding Member of The Beach Boys.

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Emmanuelle Chriqui

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

Pulling Back The Hollywood Curtain: with Actress + Activist

Paul Dickinson

Sustainability Expert & Executive Chairman of The Carbon Disclosure Project

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Joel Sartore

National Geographic Photographer & Author

Rose George

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

David Crane

Strategic Advisor Executive at Pegasus Capital Advisors; Former President & CEO of NRG Energy, Inc.; Climate Advocate

Paul Gilding

Independent Writer and Advisor on a Sustainable Economy

Adam Lowry

Co-Founder & Chief Greenskeeper of Method Products

Annabelle Gurwitch

Actress & Humorist

Ric O'Barry

Wildlife Activist, Author & Founder of the Dolphin Project; Star of the Academy Award-Winning Documentary "The Cove"

Celine Cousteau

Environmental Activist, Storyteller & Author

Céline Cousteau's Speaker Reel

Teresa Palmer

Actress, Writer & Model

Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems