
Arnold SchwarzeneggerHimself (archive footage) (uncredited)
Stephen HawkingHimself
Al GoreHimself (archive footage) (uncredited)
George W. BushHimself (archive footage) (uncredited)
Leonardo DiCaprioNarratorWangari Maathai:
Well, I don't only *think* that the biosphere is in trouble. I know it is. I just have to look around...
Factual errors: An on-screen graphic refers to the "break" system of a train. It should be "brake".
Performed by Sigur Ross
The Monday Night War: WWE Raw vs. WCW Nitro
The Singularity Is Near
9to5: Days in Porn
More Than a Game
Black Sorority Project: The ExodusWith more than a million titles, it isn't feasible to handpick recommendations for every film. That's why we came up with a formula to suggest titles that fit along with the selected one. The formula uses factors such as user votes, genre and keywords to generate an automatic response. The system produces relevant results most of the time but since recommended titles are not manually chosen, occasionally they may include less than perfect matches.