In this excerpt from his Zeitgeist film series, titled Project Earth: A Resource Based Economy Explained, Peter Joseph explores our planet’s resources from a considered systems standpoint, rather than the disjointed campaign talking points typical of much of today’s environmental activism, policy and media coverage — part Whole Earth Discipline, part Worldchanging, part evolved vision for collaborative consumption.

Science is unique in that its methods demand not only that the ideas proposed be tested and replicated, but everything science comes up with is also inherently falsifiable. In other words, unlike religion and politics, science has no ego, and everything it suggests accepts the possibility of being proven wrong eventually. It holds on to nothing and evolves constantly.”

Each of the three feature-length films is available online in its entirety, starting with Part 1, Zeitgeist: The Movie, released in 2007.

Part 2, Zeitgeist: Addendum, came in 2008.

Part 3, Zeitgeist: Moving Forward, was released earlier this year.

The fourth and latest installment in the series, Zeitgeist: Beyond the Pale, will be released in 2012.