RT @WECF_INT: Terra Preta #Sanitation:the most human-made fertile soil from bio-waste, excreta and charcoal #ecosan...
RT @SOILHaiti: Looking to do #EcoSan education in schools? Interested in some home urine fertilization experiments? #PeterMorgan.
RT @SOILHaiti: Thanks to our friend Kate Williamson () for her amazing #EcoSan drawing that she made for us!
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