Ron Finley was home by the pool recently when his thoughts once again turned to dirt. “People need to realize how powerful the transformation of soil can be,” he said, with a hint of evangelism. “We’ve gotten so far away from our food source. It’s been hijacked from us. But if you get soil, plant something in it and water it, you can feed yourself. It’s that simple.” 
http://www.nytimes.com/2013/05/05/fashion/urban-gardening-an-appleseed-with-attitude.html?pagewanted=1&_r=0