Carol Steinfeld is a writer, researcher and resource-recycling specialist writing about ecological resource management solutions. She is co-author of The Composting Toilet System Book and Reusing the Resource: Adventures in Ecological Wastewater Recycling.

Acknowledgements. 1. Introduction A Golden Opportunity A Resource in the Wrong Place Pollutes From Pollutant to Fertilizer Safe to Use An Age-Old Practice Enters Modern Bathrooms Reducing Wastewater Treatment Costs Closer to Home. 2. Urine Lore Urine Use Through History Urine Conveniences Urine to Dye for Urine Cleaners Culinary Urine Urine Good Health Urine in Wartime Urine Customs Ritual Urine Utilitarian Urine Urine in Popular Culture Urine Therapy Hormonal Value Homeopathic Power Anticlotting Properties Antibacterial Agent 3. Unexpected Urinals - Uncommon and Curious Urinals Urinal Entertainment Urinal as Art Urinals for Women Artful Urinals Circumstantial Urinals Activist Urinal Misplaced Urinals Double-Duty Urinal 4. Science and Technology of Using Liquid Gold Why Manage Urine Separately? The City as Fertilizer Factory How to Use Urine Safely - Compost It Combine It with Greywater in an Aerobic Garden Bed Dilute It and Apply It Directly to Plants Other Possibilities How to Keep Urine Separate Urinals Urine-Diverting Flush Toilets Waterless Urine-Diverting Toilets Urine Diverters More Urine Diverters Sources 5. Gold to Green: Profiles of Liquid Gold at Work in Gardens and Farms Worldwide Farming with Liquid Gold in Sweden Keeping the Lake Clean Outside Stockholm Liquid Gold on Martha's Vineyard Gardeners' Toilets in Denmark Liquid Gold in the City Liquid Gold on a Small Farm Liquid Gold at Work in Wales Liquid Gold on the Roof Liquid Gold on the Lawn Urine Diverting Toilets in Mexico Fertilizing Avocados and Nopal Liquid Gold at the Office Adventures in Urine Diversion. 6. Frequently Asked Questions. 7. References.