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human urine, Tag
- Yellow is the new green: researchers investigate ‘peecycling’ Wed, 6 May 15, 12:00amOutdoor urinators, rejoice!
- Public Urinals Help Amsterdam Harvest Pee as Fertilizer for Green Roofs Sat, 23 Nov 13, 5:30amPhoto of green roof via Shutterstock The idea of someone sprinkling urine on building rooftops sounds like a major health hazard, but that's just what Amsterdam's water utility, Waternet, recently proposed...