Monday FORUM, 4-29-13, 6-7 PM: Sierra Club Radio & Planetary Radio

First, a recent podcast from the Sierra Club, giving news and information about our planet, its environment, and how to better live with this in mind. Then, from The Planetary Society, we hear the latest about astronomy and space science. Remember these shows are archived as podcasts on this website, for listening anytime from immediately after broadcast: click on Talk Shows--Monday Forum--(select date).