By David Fair
http://stream.publicbroadcasting.net/production/mp3/wemu/local-wemu-887252.mp3
Ypsilanti, MI – Listen to this week's Issues of the Environment from WEMU. The topic is permaculture, and this week's guest is Nathan Ayers. He's the founder of the Burns Park Green Energy Association, and co-founder of Transition Ann Arbor.