Dr. Sylvia Hood Washington

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

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

David Suzuki

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

Kate Marvel

Climate Scientist & Author

Andrew Behar

CEO of As You Sow

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"

Tim Flannery

Environmentalist, Explorer & Author

Amy Harder

Climate Change Journalist & Executive Editor of Cipher by Breakthrough Energy

Xiuhtezcatl Martinez

Indigenous Climate Activist, Hip-Hop Artist, Author & Youth Director of Earth Guardians

Andrew Steer

President & CEO of the Bezos Earth Fund; Former President & CEO of the World Resources Institute

Explore 2023: Andrew Steer, CEO of Bezos Earth Fund

Kartik Chandran

Environmental Engineer & Professor at Columbia University

Michael Shellenberger

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

Jeff Orlowski-Yang

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

Tom Rand

Entrepreneur, Venture Capitalist & Author

Christiana Figueres

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

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Chad Pregracke

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

Sharona Shnayder

Environmental Activist & Founder of Tuesdays for Trash

Sophia Kianni

Climate Activist & Founder of Climate Cardinals

Kehkashan Basu

Forbes 30 under 30, United Nations Human Rights Champion, National Geographic Young Explorer & Founder-President of Green Hope Foundation

Angelicque White

Biological Oceanographer

Vanessa Nakate

Ugandan Climate Justice Activist; Founder of Youth for Future Africa

Tatiana Schlossberg

Award-Winning Journalist, Environmentalist, Author of "Inconspicuous Consumption: The Environmental Impact You Don't Know You Have" & Granddaughter of JFK

Cameron Hepburn

Professor of Environmental Economics & Director of the Smith School of Enterprise & the Environment at the University of Oxford

Asmeret Asefaw Berhe

Biogeochemist, Political Ecologist & Associate Professor at the University of California Merced

Angel Hsu

Assistant Professor at the University of North Carolina-Chapel Hill & Founder/Director of the Data-Driven EnviroPolicy Lab

Sheila Watt-Cloutier

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