http://www.sierraclub.org/radio/stationmanagers/files/mrgreen/2008-10-06-AskMrGreen.mp3 Podcast: Freezer temperature http://feedproxy.google.com/~r/mrgreen/~3/tuF7LRvA9ic/podcast-freezer.html 2008-10-06 http://sierraclub.typepad.com/mrgreen/mrgreen-podcast.jpg