Turning waste into profit

About 2.6 billion people lack access to adequate sanitation, including more than 10 million in Kenya’s densely populated urban slums. Given the lack of critical infrastructure, slum dwellers go to the bathroom in holes in the ground surrounded by primitive sheds that are shared by up to 150 people. These "pit latrines" are typically constructed with foreign aid, but funding to maintain them is lacking, and so they often fall into disrepair. As a result, many people resort to open defecation, which contaminates drinking water.

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