Stewart Brand

Self - Founder & Publisher, Whole Earth Catalog

Richard Rhodes

Self - Author, The Making of the Atomic Bomb

Gwyneth Cravens

Self - Author, Power to Save the World

Mark Lynas

Self - Environmental Activist

Michael Shellenberger

Self - President & Co-Founder, The Breakthrough Institute

Len Koch

Self - Pioneering Nuclear Engineer

Charles Till

Self - Pioneering Nuclear Physicist

Ted Nordhaus

Self - Environmental Activist

Robert F. Kennedy Jr.

Self - Environmental Activist

Amory Lovins

Self - Environmental Scientist

Helen Caldicott

Self - Environmental Activist

James Inhofe

Self - Senator, Oklahoma