BILL MOLLISON is a practical visionary. For nearly two decades he has traveled the globe spreading the word about permaculture, the method of sustainable agriculture that he devised. Permaculture weaves together microclimate, annual and perennial plants, animals, soils, water management and human needs into intricately connected productive communities. Mollison has proved that even in the most difficult conditions permaculture empowers people to turn wastelands into food forests.