Episode 46: How Frac’ing Improves Our Environment Amy April 7, 2013 Bonus episode. Tune in to hear Alex Epstein’s talk on “How Frac’ing Improves Our Environment” at Pittsburgh University. http://media.blubrry.com/alexepsteinpowerhour/industrialprogress.net/wp-content/uploads/2013/04/Episode-46-Alex-Epstein-at-Pittsburgh-University.mp3Podcast: Play in new window | DownloadSubscribe: Apple Podcasts | RSS