In this special episode we interview Robert Frank, economist and author of the new book Under the Influence: Putting Peer Pressure to Work. He talks about using social and economic theories to encourage more climate-conscious behavior, and proposes structures for carbon taxes that wouldn't require painful sacrifices from anyone. As he says in the interview, "every little bit helps, way more than you think."

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Thanks to Graham Tully and Stephen Perry for sound production.

As always, a final thanks to Jonathan Coulton for the use of his song "Mandelbrot Set" as our theme music.