Kehkashan Basu

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

Thimali Kodikara

Climate Storyteller; Host of "Mothers Of Invention" Podcast

Edna Odhiambo

Independent Climate Consultant

Sharona Shnayder

Environmental Activist & Founder of Tuesdays for Trash

Amali Tower

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

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

Sophia Kianni

Climate Activist & Founder of Climate Cardinals

Jamie Margolin

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

Xiuhtezcatl Martinez

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

Kartik Chandran

Environmental Engineer & Professor at Columbia University

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

Chad Pregracke

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

Natalie Kyriacou OAM

Environmental + Social Impact Leader, Australian Top Innovator & Australia’s Top ‘Green’ Voice

Daphne Frias

Climate Change, Disability & Environmental Activist

Dana Ellis Hunnes

Author of "Recipe For Survival"

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Sheila Watt-Cloutier

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

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

David Doubilet

National Geographic Photographer & Founding Member of the International League of Conservation Photographers

Mark Tercek

Former President & CEO of The Nature Conservancy

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist

John Passacantando

Former Executive Director of Greenpeace USA

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Meg Lowman

National Geographic Explorer & Arbornaut

Riddhima Yadav

Climate Strategist & Sustainability Business Leader

Vedika Bhandarkar

Chief Operating Officer at Water.org

Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Bernadette Beck

Founder & CEO of Kindle Coffee & 1 for 1 Foundation; Actress & Journalist Known for "Riverdale"

Liz Bonnin

Award-Winning Science Expert & Broadcaster; Known for "Blue Planet Live" and "Drowning in Plastic"

Diva Amon

Star of "Welcome to Earth" on Disney+; Caribbean Marine Biologist & 2022 Pew Fellow

Mithika Mwenda

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