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

Christiana Figueres

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

Ayana Elizabeth Johnson

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

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

Gary White

CEO & Co-Founder of WaterEquity & Water.org with Matt Damon

Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Mari Copeny

Youth Activist for Access to Clean Water; Known as "Little Miss Flint"

Dr. Sylvia Hood Washington

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

Michael Shellenberger

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

Jonathan Trent

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Majora Carter

Real Estate Developer, Peabody Award-Winning Broadcaster & Urban Revitalization Strategy Consultant

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Quannah Chasinghorse

Indigenous Activist & Model

Quannah ChasingHorse on Representation, Climate Exploitation

Catherine Coleman Flowers

Climate Justice Activist; Founding Director of the Center for Rural Enterprise and Environmental Justice

Catherine Coleman Flowers - Climate Business Innovation Summit

Tatiana Schlossberg

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

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

Jeff Orlowski-Yang

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

Bindi Irwin

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

Ramez Naam

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

Ramez Naam - Exponential Innovation | SingularityU Thailand Summit

Tom Rand

Entrepreneur, Venture Capitalist & Author

Ron Finley

Grower of a Nourishing Food Culture in South Central L.A.’s Food Desert

David Crane

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

Angélique Kidjo

UNICEF Goodwill Ambassador, Singer & Songwriter

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Joan Baez

Legendary Folk Musician & Human Rights Activist

Emmanuelle Chriqui

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

Alicia Silverstone

Actress & Animal Rights Activist

Vandana Shiva

World-Renowned Environmental Leader