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Photo of the Day: Dry Toilets in the Philippines

August 13, 2012
Elmer Sayre of the WAND Foundation in the Philippines explores how to close the loop between sanitation, health, and food consumption by testing low-cost dry toilets appropriate for most conditions and using the human waste in small-scale agriculture efforts. Results and best practices will then be shared for future scale-up of the project.

Sanitation for the base of the pyramid

Learn more and submit your own big ideas by visiting the Grand Challenges website.

 
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