Leah Thomas

Intersectional Environmentalist

Hindou Oumarou Ibrahim

President of the Association for Indigenous Women & Peoples of Chad (AFPAT)

Ash-Lee Woodard Henderson

Co-Executive Director at Highlander Research & Education Center; Activist

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Amali Tower

Climate Displacement, Migration & Refugee Expert; Founder of Climate Refugees

Q&A: Amali Tower on Climate Migration and 'Evolution Earth'

Kimi Werner

Freedive-Spearfishing Champion, Certified Chef & Award-Winning Environmentalist

Nathaniel Stinnett

Founder & Executive Director of the Environmental Voter Project

Kelsey Leonard

Advocate & Expert on Water & Climate Justice for Indigenous Peoples

Tatiana Schlossberg

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

Prince Manqoba Dlamini

Prince Nature Conservationist & Motivational Speaker

Cameron Hepburn

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

Amy Harder

Climate Change Journalist & Executive Editor of Cipher by Breakthrough Energy

Ruth Wilson Gilmore

Professor of Geography at City University of New York & Associate Director of the Center for Place, Culture and Politics

Dallas Goldtooth

Keep it in the Ground Organizer for the Indigenous Environmental Network & Co-Founder of the Indigenous Comedy Group

Cristina Mittermeier

Photographer, Adventurer & Co-Founder of SeaLegacy

Angel Hsu

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

Xiuhtezcatl Martinez

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

Sheila Watt-Cloutier

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

Dr. Sylvia Hood Washington

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

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

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

Ric O'Barry

Wildlife Activist, Author & Founder of the Dolphin Project; Star of the Academy Award-Winning Documentary "The Cove"

Bindi Irwin

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

Tom Rand

Entrepreneur, Venture Capitalist & Author

Naomi Oreskes

Geologist & Earth Science Historian

Peter Calthorpe

Architect, Urban Designer & Urban Planner; Author of "Urbanism in the Age of Climate Change"

Laura Stachel, M.D., M.P.H

Co-Founder of WE CARE Solar, a Company that Fights to Combat High Maternal Mortality Rates in Developing Countries

Rick Ridgeway

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

Jonathan Trent

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