Wes Jackson

Founder and Former President of The Land Institute

John Holdren

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

David Helvarg

Environmental Activist, Author, and Journalist

David Hawkins

David Hawkins is director of climate programs at Natural Resources Defense Council.

Jay Gulledge

Jay Gulledge is senior scientist and program manager for science and impacts at the Pew Center on Global Climate Change,

Al Gore

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

What the Fossil Fuel Industry Doesn't Want You To Know | Al Gore | TED

Dr. Jane Goodall

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

Peter Gleick

Co-founder & President of the Pacific Institute for Studies in Development, Environment & Security

Elliot Gerson

Executive Vice President of Policy and Public Programs, International Partners, The Aspen Institute

John Francis

John Francis walks the Earth, carrying a message of careful, truly sustainable development and respect for our planet.

Nelson E. Fabian

Nelson E. Fabian serves as the Executive Director and CEO of the 67 year old National Environmental Health Association.

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

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

Michael Dukakis

Former Governor of Massachusetts

Bill Drayton

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

Paul Dolan

Wine runs in Paul Dolan's blood. For four generations there have been winemakers in Dolan's family, and he has quietly been at the forefront of transforming the California wine industry for more than a decade.

Jean-Michel Cousteau

Jean-Michel Cousteau is a French explorer, environmentalist, educator, film producer, the first son of ocean explorer Jacques-Yves Cousteau and is the father of Fabien Cousteau and Celine Cousteau

Jamais Cascio

Author, Founder of Open The Future, Co-founder of WorldChanging.com, Specialist in Emerging Technologies, Environmental Dilemmas, and Cultural Transformation

Majora Carter

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