Less than 10% of plastic trash is recycled -- compared to almost 90% of metals -- because of the massively complicated problem of finding and sorting the different kinds. Frustrated by this waste, Mike Biddle has developed a cheap and incredibly energy efficient plant that can, and does, recycle any kind of plastic. Read Mike's responses to questions about this talk. http://blog.ted.com/2012/10/22/a-better-way-to-recycle-plastics-mike-biddle-replies-to-questions-and-comments-about-his-2011-tedtalk/