Dr. Nick "Ranger Nick" Fuhrman

Josiah Meigs Professor of Environmental Education & Nature TV Host

Mari Copeny

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

Daniel Esty

Environmental Law Professor, Sustainability Expert, Former DEEP Commissioner

Dallas Goldtooth

Writer, Actor, Playwright & Comedian Most Known for the FX Series, "Reservation Dogs"

Leah Thomas

Eco-Communicator; Founder of Intersectional Environmentalist & Green Girl Productions; Author, "The Intersectional Environmentalist"

‘Exploitation of the planet... exploitation of people’: Leah Thomas

Wanjira Mathai

Managing Director of Africa & Global Partnerships the the World Resources Institute; Sustainability & Youth Leadership Activist

Brad Pitt

Actor, Producer, Philanthropist & Environmental Activist

Robert Redford

Actor, Director, Producer, Environmentalist & Founder of the Sundance Film Festival

Franziska Trautmann

Waste Alchemist; Co-Founder, CEO, & Resident Chemical Engineer at Glass Half Full

Franziska Trautmann | TED

Vanessa Nakate

Ugandan Climate Justice Activist; Founder of Youth for Future Africa

Marcus Scribner

Two-Time NAACP Image Award-Winning Actor Known for "Black-ish" & "Grown-ish"; Founder of Scribner Productions; Environmental Activist & Ambassador for Defend Our Future

Willie Smits

Trained Forester, Microbiologist & Animal Welfare Activist; Founder of Borneo Orangutan Survival Foundation & Chairman of the Masarang Foundation

Sustainability Starts at the Village Level Willie Smits at TEDxMidwest

Gabriela Cowperthwaite

Director, Writer & Producer; Best Known for the Documentary "Blackfish"; Advocate for Animal Rights and Conservation

Why food is the new oil | Gabriela Cowperthwaite | TEDxKC

Lena Samford

Environmentalist & Wellness Advocate

Anoka Primrose Abeyrathne

Social Entrepreneur, Environmental Activist, and Co-founder of Growin’ Money

George Monbiot

Investigative Journalist, Known for his Environmental & Political Activism

Vedika Bhandarkar

Chief Operating Officer at Water.org

Elayne Boosler

Comedian, Writer, & Animal Activist; Founder of Tails of Joy

A Comedian in Italy - Antique Market - Elayne Boosler

Denis Hayes

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

James Duke Mason

Co-Chair of the West Hollywood Lesbian & Gay Advisory Board; PR Specialist at Mercy For Animals