Studio: Warner Independent
Release: August 17, 2007
Director: Nadia Conners, Leila Conners Petersen
Writer: Nadia Conners, Leila Conners Petersen, Leonardo DiCaprio
Cast: Leonardo DiCaprio, Stephen Hawking, Thom Hartmann, Mikhail Gorbachev, Sylvia Earle, James Woolsey, Andrew Weil, William McDonough, Paul Hawken, Wangari Maathai, David Suzuki, David Orr