Sheila Watt-Cloutier

Environmental, Cultural & Human Rights Advocate, Former Canadian President of the Inuit Circumpolar Council

Dr. Jill Stein

Physician, Environmental Activist & Politician; 2016 Green Party Presidential Nominee

Dr. Sylvia Hood Washington

Chief Environmental Research Scientist at Environmental Health Research Associates, LLC.

Kartik Chandran

Environmental Engineer & Professor at Columbia University

Tony Juniper

Writer, Sustainability Advisor, & Environmentalist

Erin Schrode

Expert Advocate for Health, Sustainability & Environmental Education; Named "America's Green Girl" by OK Magazine

David Mizejewski

National Wildlife Federation Naturalist & Media Personality

Sangu Delle

Entrepreneur, Author, Clean Water Activist, Soros Fellow & TEDGlobal Fellow

Michael Shellenberger

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

Rebecca Solnit

Writer, Historian & Activist

Jeff Orlowski-Yang

Award-winning Filmmaker, Photographer, Entrepreneur & Climate Change Activist

Tundi Agardy

Marine Conservationist & Founder of "Sound Seas," Research and Policy Project to Help Protect the Oceans and Ocean Life

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Joel K. Bourne Jr.

Author, Award-Winning Journalist & Consultant for Documentary Films & TV

Frans Lanting and Chris Eckstrom

Award-Winning Photographers & Videographers

Ramez Naam

Computer Scientist, Science Fiction Author & Co-Chair of Energy & Environment at Singularity University

Ramez Naam - Exponential Innovation | SingularityU Thailand Summit

George Monbiot

Investigative Journalist, Known for his Environmental & Political Activism

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Tamron Hall

Award-Winning Journalist; Former National News Anchor for NBC News; Host of the "Tamron Hall Show"

Watch Where They Hide

Will Allen

Pioneer in the Urban Farming Movement, Author & Founder of Growing Power

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Lisa Vanderpump

Entrepreneur, TV Personality, Author & Philanthropist

Lisa Vanderpump Tells Us About Her First Times

Christiana Figueres

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

David Doubilet

National Geographic Photographer & Founding Member of the International League of Conservation Photographers

Ayana Elizabeth Johnson

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

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

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia