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

Achenyo Idachaba

Head of MitiMeth, A Nigeria-Based Environmentally Aware Production Company

Amalaonye Josephine Kachikwu

CEO of GIA Media Services, Greatness Coach & Brand Strategist; Award-Winning Author of "Ultimate Journey to Greatness"

Amali Tower

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

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

Ambassador Munir Akram

Former Permanent Representative to the UN from Pakistan

Amy Harder

Climate Change Journalist & Executive Editor of Cipher by Breakthrough Energy

Andrew Bowerbank

Executive Director, World Green Building Council

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

Andrew Revkin

Senior Fellow for Environmental Understanding at Pace University

Andrew Winston

Sustainability Expert; Author of "Green to Gold" & Co-author of “Net Positive"

Andy Acho

Environmental Initiatives Expert and Former Worldwide Director of Environmental Outreach and Strategy, Ford Motor Company

Andy Bochman

Climate & Cyber Resilience Strategist; Author of “A Heat Dome Hits Virginia”

Angel Hsu

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

Annabelle Gurwitch

Actress & Humorist

Ash-Lee Woodard Henderson

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

Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Ben Caldecott

Founding Director of the Oxford Sustainable Finance Programme & Associate Professor at the University of Oxford

Bilaal Rajan

UNICEF Canada Ambassador, internationally-recognized motivational speaker, children's and environmental activist, author and fundraiser

Bill Drayton

Social Entrepreneur, Founder & C.E.O of Ashoka. Leading an Everyone a Changemaker world movement.

Bill Purcell

Fouding Partner of Farmer Purcell White & Lassiter; Former Mayor of Nashville; Adjunct Professor of Public Policy at Vanderbilt University

Bill Ritter

Former Governor of Colorado & President of the Center for the New Energy Economy

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Bruce Friedrich

Founder & CEO of The Good Food Institute

Bruce Usher

Columbia Business School Professor; Former CEO of EcoSecurities Group

Bruce Vincent

Agriculture Activist and Motivational Speaker

Calvin Mackie

Inspirational Entrepreneur & Mentor

Cameron Hepburn

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

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

Carl Safina

Ecologist & Writer

Carol Browner

Senior Counselor of Albright Stonebridge Group, a Global Strategy Firm