TED Conversations » Topics

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• Questions

  What obstacles do you think sustainable architecture is facing?

  Started by Half L.,

  5 comments

  Closed

• Questions

  

  Probiotics, like yogurt, are known to support healthy gut microbes. How could we apply this idea support a healthy house, subway, or office?

  Started by Jessica Green, Eugene, OR, United States

  72 comments

  Closed

• Questions

  

  In your opinion, what is the greatest city in the world and why?

  Started by Justin Swan, Ottawa, Canada

  6 comments

  Closed

• Questions

  

  Self sufficiency or export-led growth?

  Started by Andrew Close, Perth, Australia

  2 comments

  Closed

• Ideas

  

  A 3-D Printer In Every High School.

  Started by Jonathan Barker, New Hamburg, Canada

  3 comments

  Closed

• Ideas

  

  Green Buildings Don't Have to Cost More

  Started by Paul Bisanti, Kitchener, Canada

  7 comments

  Closed