![PopTech Audio: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/053/095/small/poptech-audio-popcasts.jpg)
Summary: <p>Why haven’t we rallied our collective power to solve global warning? Join best-selling author <a href="http://poptech.org/people/dan_gilbert">Dan Gilbert</a> as he explores our capricious reaction to different threats—from tooth decay to anthrax to climate change.</p>