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Toilet Reinventer BJ Ward ‘09 Travels the World in Pursuit of Renewable Energy

Imagine a toilet that uses concentrated sunlight to heat up human waste to temperatures upwards of 300°C and turn it into sterilized charcoal. As unconventional as it might sound, this “Sol-Char Toilet” was the basis of a Bill & Melinda Gates Foundation-funded project on which BJ Ward ‘09 spent most of her first year as a professional research associate with the University of Colorado (CU-Boulder).