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Idéia absolutamente fantástica.

For Pennies, a Disposable Toilet That Could Help Grow Crops

A Swedish entrepreneur is trying to market and sell a biodegradable plastic bag that acts as a single-use toilet for urban slums in the developing world. Once used, the bag can be knotted and buried, and a layer of urea crystals breaks down the waste into fertilizer, killing off disease-producing pathogens found in feces.

He plans to sell it for about 2 or 3 cents — comparable to the cost of an ordinary plastic bag.

In the developing world, an estimated 2.6 billion people, or about 40 percent of the earth’s population, do not have access to a toilet, according to United Nations figures.

It is a public health crisis: open defecation can contaminate drinking water, and an estimated 1.5 million children worldwide die yearly from diarrhea, largely because of poor sanitation and hygiene.

Do NYT

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