Laura Allen gives an intimate tour of a home-built composting toilet in her Bay Area urban home. The nitrogen-rich composted “humanure” is used to fertilize the lush edible-food garden, and doesn’t waste precious drinking water like flush toilets. The co-founder of Greywater Action shows the throne-like toilet compartment whose distinctive feature is a urine diverter. Pee and poop are collected in separate containers beneath the toilet, and are accessed outside the house. Sterile pee is watered in at the base of plants, while poop is collected in barrels and aged for a year or more until it has composted fully. What a way to go! (www.greywateraction.org).
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