Kartik Chandran

Environmental Engineer & Professor at Columbia University

Doug Fine

Bestselling Author & Award-Winning Documentary Film Director; Food Security Advocate, Regenerative Hemp Farmer & Solar-Powered Goat Herder

PBS Newsmakers - American Hemp Farmer Film Discussion

Kate Brandt

Lead for Sustainability at Google & Former Chief Sustainability Officer for the Obama Administration

Tom Steyer

California Business Leader; Philanthropist and Clean Energy Advocate; Former 2020 Presidential Candidate

Chad Pregracke

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

Marcelo Mena Carrasco

Former Environment Minister of Chile

Jamie Margolin

Climate Change Activist; Author; Founder & Co-Executive Director of Youth-Led Climate Action Group "Zero Hour"

Henry Gordon-Smith

Founder & CEO of Agritecture, Sustainability Consultant & AgTech Advisor

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Michael Curley

Visiting Scholar at Environmental Law Institute

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

Tensie Whelan

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

Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy

Chris Turner

Author, Sustainability & Global Cleantech Expert

Paul Wheaton

Permaculture Advocate

Mithika Mwenda

Co-Founder & Executive Director of the Pan African Climate Justice Alliance

Noga Levy Rapoport

Climate Justice Activist

Sharona Shnayder

Environmental Activist & Founder of Tuesdays for Trash

Daphne Frias

Climate Change, Disability & Environmental Activist

Dana Ellis Hunnes

Author of "Recipe For Survival"

Sophia Kianni

Climate Activist & Founder of Climate Cardinals

Ben Caldecott

Founding Director of the Oxford Sustainable Finance Programme & Associate Professor at the University of Oxford

Vanessa Nakate

Ugandan Climate Justice Activist; Founder of Youth for Future Africa

DeAndrea Salvador

North Carolina State Senator; Energy & Sustainability Advocate

Monica Araya

Executive Director of the European Climate Foundation

Monica Araya: The billion-dollar campaign to electrify transport | TED

Shelley Poticha

Chief Climate Strategist for the Natural Resource Defense Council

Tyson Jerry

World Record Holder for Distance on Alternative Fuel; Specialist in Alternative Fuel & Transportation; Photographer

Tristram Stuart

Environmental Campaigner, Author & Businessman

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

George Elvin

Green Innovation Speaker & Author