This paper describes an enumeration of all households living in informal settlements in Kisumu, Kenya, implemented by their inhabitants and supported by savings groups, the Kenyan Homeless People

Two billion tons of human and animal waste and industrial pollution are dumped into waterways every day around the world, according to reports released in Nairobi, Kenya, for the 17th annual World Water Day

A Swedish entrepreneur is trying to market and sell a biodegradable plastic bag that acts as a single-use toilet for urban slums in the developing world.

Once used, the bag can be knotted and buried, and a layer of urea crystals breaks down the waste into fertilizer, killing off disease-producing pathogens found in feces.