Abrahm Lustgarten

Investigative Reporter, Speaker on Climate Change & Author of "On The Move", about America's Great Climate Migration

On the Move: The Overheating Earth and the Uprooting of America

Achim Steiner

Director of the Oxford Martin School; Former Executive Director of the United Nations Environment Programme

Adam James

Co-Founder of Clean Energy Leadership Institute; Authority on Renewable Energy & Public Policy

Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Afra Majid Alowais

Chief Efficienology Officer, SEWA

Agam Pandit

Director of Operations and Managing Partner at ADC Energy, Inc., Entrepreneur & Philanthropist

Aidan Gallagher

Actor, Musician & UN Environment Goodwill Program Ambassador; Known for "The Umbrella Academy"

Aidan Gallagher On 'The Umbrella Academy' and His Music | Seventeen

Aimee Witteman

Deputy Assistant Secretary for Intergovernmental Affairs at U.S. Department of Energy

Aisha Williams

Founder & CEO of ImpactVest, Nasdaq ESG Expert Contributor & External ESG Expert at EU Commission

Al Gore

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

Aldyen Donnelly

Co-Founder & Director of Carbon Economics at Nori

Alex Epstein

Founder, Center for Industrial Progress Author, Fossil Fuels Improve the Planet

Alexa Dominique Pascual

Women's Rights Activist, Contortionist, Dancer & Blogger

Alexander A. Likhotal

President of Green Cross International & Former Adviser to Mikhail Gorbachev

Alexander T. J. Lennon

Editor in Chief, The Washington Quarterly and Senior Fellow, International Security Program

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Alexandria Villaseñor

Climate Justice Activist & Fridays4Future Organizer; Founder of Earth Uprising

Alexandra Villaseñor | Celebrate Earth Month | Disney Channel

Ali Al Jassim

CEO, Etihad Energy Services

Alice Bows-Larkin

Climate Scholar

Alice Hill

Research Fellow, Hoover Institution; Former White House Special Assistant to the President