Recycling Human Waste: Fertile Ground or Toxic Legacy?

by Gary Gardner on December 15, 1997
Recycling human waste isn't like recycling newspapers. The use of "night soil" on cropland is ancient, but modern sewage and farming systems have greatly complicated the risks of using our most obvious fertilizer.
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EP111C.pdf291.66 KB
AttachmentSize
EP111C.pdf291.66 KB

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