Profiting from poop: How selling human waste could revolutionize sanitation

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Dealing with human waste has become a health crisis in many poor communities, but residents of a Kenyan slum have found a solution that turns poop into profit.Working directly with residents of Mukuru, one of Nairobi’s largest slums, an MIT spin-off company called Sanergy has developed a promising new method to improve sanitation. Instead of promoting sanitation through education, Sanergy has addressed the core reason why many residents must still defecate in pits or in the street: a lack of access to toilets.But contrary to the idea behind last year’s Reinvent the Toilet Challenge by the Gates Foundation, Sanergy co-founder David Auerbach says that access to innovative toilets alone isn’t enough to spread sanitation practices. “When it comes to sanitation, it’s no longer …


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