Waste stabilization ponds (WSP) are the simplest of all comprehensive waste treatment processes. They operate under natural conditions, require no... Read more...
Waste stabilization ponds (WSP) are an extremely appropriate, sustainable and efficient method of wastewater treatment in many situations in... Read more...
This publication presents experiences from a technology transfer programme implemented in Colombia between 1989-1996. The programme introduced multi-... Read more...
Proceedings of an Urban Policy Workshop undertaken in Beijing in September 1999, which include four theme papers on urban policy perspectives in the... Read more...
Human and animal excreta has been used since ancient times as a fertilizer and soil conditioner. Read more...
A review of the risks to health posed by groundwater contamination from on-site sanitation. The study focuses on microbiological contamination... Read more...