Mari Copeny

Youth Activist for Access to Clean Water; Known as "Little Miss Flint"

Van Jones

CNN Political Contributor; Author; Human Rights, Education & Clean Energy Advocate

Lauren Singer

Advocate for Zero Waste, Blogger & Founder of The Simply Co.

Richard Florida

Leading Urbanist, Economist & Author of "The Rise of the Creative Class"

Monica Araya

Clean Mobility Advocate & Decarbonization Strategist

How cities are detoxing transportation | Monica Araya

Peter Haas

Associate Director of the Brown University Humanity Centered Robotics Initiative

Peter Haas Talk Clips

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Dr. Anthony Leiserowitz, Ph.D.

Director of Program on Climate Change Communication; Senior Research Scientist of Forestry & Environmental Studies at Yale University

Anthony Leiserowitz | Citizens' Climate Lobby | November 2018 ...

Kate Brandt

Lead for Sustainability at Google & Former Chief Sustainability Officer for the Obama Administration

Sir Richard Branson

Businessman & Founder of Virgin Group

David Breashears

Everest Adventurer, Filmmaker & Senior Lecturer at MIT Sloan School of Leadership

Mariel Hemingway

Actress, Author, Entrepreneur & Mental Health Activist; known for "Manhattan"

Finding My Balance: A Memoir

Denis Hayes

Organizer of the First Earth Day; CEO of The Bullitt Foundation

Rays of Hope (Norton Worldwatch Books)

Christine Dimmick

Breast Cancer Survivor, CEO of The Good Home Company, Author of "Detox your Home"

Dr. Richard Carmona

17th Surgeon General of the United States; Chief of Health Innovations at Canyon Ranch; Distinguished Professor of Public Health at MEZCOPH

Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Yang Lan

Co-Founder & Chairperson of the Sun Media Group & Sun Culture Foundation; Called the 'Oprah of China'

Jamie Margolin

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

Jan Schlichtmann

Environmental Lawyer & Author, Subject of the Film "A Civil Action"

Mary Landrieu

Senior Policy Advisor at Van Ness Feldman LLP & Former U.S. Senator from Louisiana

RFF Policy Leadership Series with The Honorable Mary Landrieu