Rwanda is the most densely populated country in Africa and land is worked continuously. Organic fertilizer is scarce and chemical fertilizer too costly. The harvests of the poor grow have become increasingly smaller. In 2013, we built 6 prototype composting toilets and, in 2014, six more with further improvements. When economical and practical enough, these toilets have the potential to replace the unsanitary and dangerous latrines common behind each house. In addition, compost toilets provide easily retrievable waste that has been separated by a divided floor pan. Urine, which is sterile when it leaves the body and contains 85% of the nutrients, can be applied immediately to compost or diluted and applied directly to fields. The prospect of having a safe and dignified toilet that also provides the fertilizer they need and that can be constructed locally is a triple win: for family, societal development and ecology. We feel we are close to a successful design.