“The emergence of garden farms is at hand. Under the pressure of necessity as unemployment rippled through the economy, millions of North Americans turned to gardening or expanded their gardens in 2009 as evidenced by a 40% increase in vegetable seed sales.  Urban homesteading is spawning its own literature as energy descent forces more and more households to adapt in place.  With income constrained and energy and materials shortages looming, the only resources capable of filling the gap in livelihood are imagination, information, and knowledge, in particular a deeper understanding of the material cycles and energy flows of nature.  For that understanding, we look to permaculture, a language derived from the patterns of the world around us.”