Sanergy

Sanergy is a business and sanitation initiative arising out of the informal settlements of Nairobi, where there is nearly a complete lack of sanitation infrastructure. It began with ambitions towards creating a closed-loop system, starting with a network of easy-to-maintain, low-cost pay toilets called Fresh Life, which are run by locals as for-profit businesses. Waste that is collected from the sanitation stations is brought to a central facility and processed into fertilizer, which is then sold to commercial farms.

An estimated 2.5 billion people around the world lack adequate sanitation—more than a third of the global population—and 2 million die each year of diarrheal disease. The problems are particularly acute in Kenya, where 10 million people live in informal settlements, 80 percent of who do not have adequate sanitation.

To address this problem, Sanergy works to create systems that are sustainable ecologically and economically. Sanergy essentially runs as a franchise model, where locals can operate micro-enterprises dealing with compost. The entrepreneurs maintain latrines, and the human waste is collected and returned for profit. At more systemic levels, the group works continually to find new uses and applications for waste. They have partnered with the Gates Foundation, the Climate Foundation, Stanford University, the London School of Hygiene & Tropical Medicine and others to find new ways to grow their distribution network, including forays into biogas and biochar.

The system effectively deals with the problem of how to address human waste in informal settlements. Billions live without access to sewage infrastructure or toilets, and ecosystems such as these provide a model for how we can develop appropriate solutions for the future.

Learn more at the links below

Sanergy

Nairobi, Kenya
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