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Chelsea Wald

Chelsea is a freelance science and environmental journalist. She is based in The Hague, the Netherlands, and is working on a book tentatively titled Pipe Dreams: Transforming the Toilet, for Avid Reader Press/Simon & Schuster. You can find her at www.chelseawald.com.

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Articles (1)

clock-icon 19 MIN READ

Feature/Cities without sewers

Where conventional sanitation is out of reach, old methods paired with new science can get human waste safely back in the ground, with environmental benefits and more. A project in Haiti is leading the way for cities without sewers.