Founder, Center for Rural Enterprise and Environmental Justice (CREEJ)

Senior Climate Justice and Health Scientist, Union of Concerned Scientists

National Geographic Photographer; Co-Founder, SeaLegacy

Filmmaker

Director, An Inconvenient Truth; Founder, Concordia Studio

Director, U.S. Federal Initiative for Climate Imperative at Energy Innovation

President, Alliance to Save Energy

Executive Director, Native Renewables

Former U.S. Secretary of Defense

Founder, Center for American Progress

Senator John Heinz Prof. of Environmental Management, Harvard Bus. School

Journalist

Author, Industrial-Strength Denial