Enter the Peepoo bag. Swedish entrepreneurs have developed a cheap biodegradable bag that can store human feces and subsequently buried and turned into fertilizer. The bag is lined with urea crystals that kill dangerous pathogens spawned from feces while also turning waste into fertilizer. At a cost of $.02-$.03 per bag (about the cost of a normal plastic bag), it has become a viable option for many families in Kibera. The bags, once used, can be buried in any one of the open areas that are present throughout the slum.
Sanitation is one of the biggest and most preventable health risks in the world. About 40% of the world's population does not have access to a toilet. In India, 545 million people have access to a cell phone while only 366 million people have access to adequate sanitation. 1.5 million children die each year from diarrhea brought on by poor hygiene. To combat the global sanitation issue, the United Nation made improved sanitation one part of its Millennium Development Goals program. The plan is to reduce the number of people without access to adequate toilets in half by 2015. The Peepoo bag has shown itself to be a legitimate solution to the sanitation issues brought on by open air waste disposal. Trial runs in Kibera have been successful due to the bag's simplicity and low cost. The Peepoo bag may help the UN reach this goal.
-Matthew Thwaites
SOURCES: "Eco friendly toilets for Kibera slum"-Aljazeera, "For Pennies, a Disposable Toilet That Could Help Grow Crops"-NY Times