Christiana Figueres

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

Shailene Woodley

Actress & Environmental Activist

Ricardo Lagos

Former President of Chile

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Mike Love

Lead Singer and a Founding Member of The Beach Boys.

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

Emmanuelle Chriqui

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

David Crane

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

Bindi Irwin

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

Paul Dickinson

Sustainability Expert & Executive Chairman of The Carbon Disclosure Project

Paul Gilding

Independent Writer and Advisor on a Sustainable Economy

Jonathan Trent

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

Celine Cousteau

Environmental Activist, Storyteller & Author

Céline Cousteau's Speaker Reel

Annabelle Gurwitch

Actress & Humorist

David de Rothschild

Environmentalist, Adventurer & Founder of Sculpt the Future Foundation

Laurie David

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

Lisa Margonelli

Director, New America Foundation Energy Policy Initiative