Across the continent less than 10% of the population is connected to a sewer system; with most households using some type of onsite sanitation technology (e.g. pit latrines or septic tanks). If not managed properly, untreated excreta can have serious human and environmental health impacts. But if managed adequately, human waste can offer many opportunities: it’s rich in nutrients (nitrogen, phosphorus and potassium), carbon (for energy) and water.
All can be harnessed into productive resources using technologies that also mitigate the health risks associated with untreated sewage and solid waste. The end product can be delivered to smallholder farmers to fertilise their crops. Food waste from large markets can also be converted into nutrients for farmers. Read more