Rose George

Author, A Life Removed, The Big Necessity, Ninety Percent of Everything

Alicia Silverstone

Actress & Animal Rights Activist

John Passacantando

Former Executive Director of Greenpeace USA

Robert Kenner

Documentary Filmmaker; Known for "Food, Inc."

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Philippe Cousteau

Explorer, Social Entrepreneur & Environmental Advocate; Grandson of Captain Jacques-Yves Cousteau

Andrew Winston

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

From Net Zero To Net Positive: Why We Must Act Now

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

John Sununu

Former Republican (GOP) United States Senator from New Hampshire

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Jamie Oliver

Celebrity Chef, Bestselling Author & TV Personality

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Van Jones

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

The Messy Truth with Van Jones | Busta Rhymes Interview

John Holdren

Professor of Environmental Policy & Director of the Program on Science, Technology, and Public Policy at the Harvard Kennedy School of Government

Dr. Jane Goodall

Internationally Renowned Primatologist, Founder of the Jane Goodall Institute & UN Messenger of Peace

Elizabeth Economy

C.V. Starr Senior Fellow & Director of Asia Studies at the Council on Foreign Relations

Sylvia Earle

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

Majora Carter

Real Estate Developer, Peabody Award-Winning Broadcaster & Urban Revitalization Strategy Consultant

Reclaiming Your Community: You Don’t Have to Move out of Your Neighborhood to Live in a...

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Jeff Orlowski-Yang

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

"The Social Dilemma:" Director, Jeff Orlowski-Yang | Ithaca College