Crap Caper: Chicago's illegal cache of human waste is tomorrow's gardening gold.In an undisclosed storage area in Chicago, Nance Klehm has a hidden stockpile of human excrement. When the 1,500-gallon stash finishes its two-year composting cycle next summer, it will be soil as rich as any you could buy at the store-a gardener's black gold. If it's discovered by the authorities before then, it'll be deemed hazardous and removed. The hoard belongs to Humble Pile Chicago, a conspiracy of 22 people Klehm has rallied to help.Credit her childhood on a farm in northwest Illinois: Klehm is a self-made food and soil consultant who thinks we need to close the nutrient loop when it comes to a sustainable source of fertilizer. "It's hard to find safe soil for planting in the city," she says. "Most of what you get is stripped from someplace else; we're stealing it from one place and trying to enrich another with it. It's nuts."
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