TED Conversations » Topics

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• Debates

  

  What form of renewable energy has or will have the lowest impact on biodiversity?

  Started by Noel Laporte, Eugene, OR, United States

  168 comments

  Closed

• Ideas

  

  Positive thinking about Global Warming

  Started by Varis Lux, Nowra, Australia

  4 comments

  Closed

• Ideas

  using nitrogen tri-ioide as a fuel

  Started by Abdelrahman korayem, Giza, Egypt

  8 comments

  Closed

• Ideas

  How to get solar energy cheaply.

  Started by Hazem Abd El Aziz, Cairo - Egypt, Egypt

  7 comments

  Closed