Van Jones

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

Ashley Judd

Actress, Activist & Humanitarian

Amali Tower

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

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

Sylvia Earle

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

Aprille Ericsson

Rocket Scientist, Technologist & STEM Educator

Dr. Sylvia Hood Washington

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

Jeff Orlowski-Yang

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

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

Jamie Margolin

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

Scott Amyx

Technology Futurist & Sustainability Venture Capitalist Backing Social Impact Entrepreneurs; Managing Partner at Astor Perkins

Michael Shellenberger

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

Don Cheadle

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

Kehkashan Basu

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

Robyn O’Brien

TEDx Speaker, Food Industry Advisor, Former Financial Analyst & Author of "The Unhealthy Truth"

Al Gore

45th Vice President of the United States, Nobel Peace Laureate & Bestselling Author

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

Thimali Kodikara

Climate Storyteller; Host of "Mothers Of Invention" Podcast

Xiuhtezcatl Martinez

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

Christiana Figueres

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