Stewart Brand at TED@State

  • Speaking at TED@State
  • June 2009
  • Washington, D.C.

Stewart Brand proclaims 4 environmental 'heresies': The man who helped usher in the environmental movement in the 1960s and '70s has been rethinking his positions on cities, nuclear power, genetic modification and geo-engineering. This talk at the US State Department is a foretaste of his major new book, sure to provoke widespread debate.