Technology Update
Condominial sewerage: a solution for the sanitation crisis in urban areas?
14 Jun 07
The success of condominial sewerage in Brazil has led to a growing interest worldwide. Condominial systems combine a group of houses' small diameter sewerage networks into a single system. In densely populated peri-urban areas, they are often the only feasible option.
Sustainable sanitation: researchers develop technology selection algorithm
13 Jun 07
Researchers have published a sanitation selection algorithm, which considers all the available sanitation arrangements and is based on the principles of sustainable sanitation. It is especially designed for the poor and very poor rural and peri-urban areas in developing countries
Rainwater tanks: better than dams, desalination: Australian report
23 May 07
A new Australian study shows that rainwater tanks are cost competitive with desalination, yet five times more energy efficient - significantly reducing greenhouse gas emissions. It also revealed that they could delay big water projects like dams for up to a decade.
Arsenic removal: SONO household water filter wins US$ 1 million award
06 Mar 07
Abul Hussam, an associate professor at George Mason University, USA has been awarded the Grainger Challenge Gold Award of US$ 1 million for his SONO filter, a household water treatment system for removing arsenic.
