M. Sanjayan

Executive Vice President & Senior Scientist at Conservation International

Cynthia Giles

Guest Fellow at the Environmental & Energy Law Program at Harvard Law School

Tom Fitz

Cinematographer, Producer & Director

Nick Wobbrock

Co-Founder of Blue Forest Conservation

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Mona Das

Former Washington State Senator Focused on Environmental Justice

Emma Camp

Marine Biologist & Award-Winning Corals Expert

Tim Flannery

Environmentalist, Explorer & Author

Daniela V. Fernandez

Founder & CEO of Sustainable Ocean Alliance

Cristina Mittermeier

Photographer, Adventurer & Co-Founder of SeaLegacy

Peter Meyer

President and Chief Economist, EP Systems Group

Sarah Rumpf

Communication Strategist, Journalist & Grassroots Activist

Jason Schenker

Top-Ranked Economist, Best-Selling Author, President of Prestige Economics & Chairman of The Futurist Institute

Tucker Carlson and Paul Begala

Margaret Spring

Chief Conservation Officer and Vice President, Conservation & Science, Monterey Bay Aquarium

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

Bindi Irwin

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

Tensie Whelan

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

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

Sarah O. Ladislaw

Former Managing Director at Rocky Mountain Institute (RMI)

Rick Ridgeway

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

Louie Psihoyos

Photographer & Documentary Film Director Known for the Academy Award-Winning Documentary "The Cove"

Mark Tercek

Former President & CEO of The Nature Conservancy

Barbara Boxer

Former Democratic Senator of California

David Suzuki

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

John Sununu

Former Republican (GOP) United States Senator from New Hampshire

Francesco Stipo

President & CEO of the Houston Energy Club; Leading Authority on International Affairs & Energy

Chad Pregracke

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

John Holdren

Professor of Environmental Policy & Director of the Program on Science, Technology, and Public Policy at the Harvard Kennedy School of Government