Mushroom-Powered Outhouse in University Garden Composts Waste with No Smell

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Mushroom-Powered Outhouse in University Garden Composts Waste with No Smell​

By Andy Corbley
Oct 15, 2025

"Scientists have used the root system of mushrooms to create a composting toilet that is odor absorbing, while creating over 2,000 liters of fertilizer and soil a year.
Separating solids from from liquids and processing each in different ways using fungal mycelia, the toilet can currently be found in the University of BC botanic gardens.
Called the MycoToilet, it was developed by Steven Hallam, a professor of microbiology at UBC, and Joseph Dahmen, the project’s lead and an associate professor at the university’s School of Architecture.
Together, they hope to rethink a product and system that many people take for granted, starting with their students, most of whom were unable to answer the question: what happens to human waste after the toilet is flushed, said Dahmen."

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Mushroom-Powered Outhouse in University Garden Composts Waste with No Smell

Together, the inventors hope to rethink a product and system that many people take for granted: starting with their students.

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