Permaculture INTERLOCHEN PUBLIC RADIO (Interlochen Public Radio) - All this week, an expert in permaculture will be holding workshops in Traverse City. Dave Jacke, author of the Edible Forest Gardens series of books, is the guest of the Institute for Sustainable Living, Art and Natural Design, or ISLAND. Jacke is leading their ecological gardening workshops all this week. © Copyright 2009, Interlochen Public Radio