The word permaculture was coined by Bill Mollison and David Holgren in the mid-1970???s to describe an integrated, evolving system of perennial or self-perpetuating plant and animal species useful to man.Here is a poster to read or print out; <a href="http://www.permacultureprinciples.com/downloads/pc_flower_poster.pdfWorldwide">http://www.permacultureprinciples.com/downloads/pc_flower_poster.pdfWorldwide</a> Permaculture Network: <a href="http://www.permacultureglobal.com/Permaculture">http://www.permacultureglobal.com/Permaculture</a> Media Blog