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TED Talks: Season 2013

2013x221 Greg Asner: Ecology from the air
TV-PG

  • 2013-11-19T00:00:00-05:00 on YouTube
  • 15 mins
  • United States
  • Documentary, Special Interest

What are our forests really made of? From the air, ecologist Greg Asner uses a spectrometer and high-powered lasers to map nature in meticulous kaleidoscopic 3D detail — what he calls “a very high-tech accounting system” of carbon. In this fascinating talk, Asner gives a clear message: To save our ecosystems, we need more data, gathered in new ways.

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