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Photo Friday: Using waste instead of chopping firewood

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The Meru GK Prison is a government institution in Kenya’s eastern province in Meru County. Spanning a 15 hectare area, this prison houses more than 1200 inmates and employs approximately 300 staff. This anaerobic digestor produces methane from the facility’s waste streams, which is then used as a source of energy in the prison’s kitchens. Previously, this energy demand was supplied using firewood and all waste was treated via the local wastewater treatment plant.

Photo Credit: Photo taken 2009 by Sustainable sanitation and used via Creative Commons licensing.

The views expressed are those of the author and are not necessarily those of Scientific American.

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