Is the Earth maxed out, or should we be optimistic about being able to solve our future? At TED 2012, Paul Gilding made the case for the former, and Peter Diamandis argued for the latter, and then they debated.

Video Source: TED

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Exclusive Q&A from the TED stage: Paul Gilding and Peter Diamandis debate
Paul Gilding
Peter Diamandis: Abundance