Chelsea Wald: Pipe Dreams—The Urgent Global Quest to Transform the Toilet
Humans produce about 100 lbs. of poop and 140 gallons of pee each year. Two billion people worldwide lack a minimally adequate toilet. Hundreds of millions don’t use a toilet at all, promoting spread of preventable diseases. In Pipe Dreams: The Urgent Global Quest to Transform the Toilet, Chelsea Wald explores efforts to make healthy toilets—and necessary infrastructure—accessible to all.