Chelsea Wald Books

This book offers an informative and humorous deep dive into the future of the toilet - from creative uses for harvested "biosolids," to the bold engineers dedicated to bringing safe sanitation to the billions of people worldwide living without it

This book offers an informative and humorous deep dive into the future of the toilet - from creative uses for harvested "biosolids," to the bold engineers dedicated to bringing safe sanitation to the billions of people worldwide living without it.