http://www.hopedance.org/home/food-news/889
[Accessed: 13.02.2010]
Article on this blog about the plant in St. Helena, California (designed by J.W. Oswald from the University of Berkley). The production of algae, which take up the large part of nutrients (N and P) from the wastewater during the treatment) and the reuse as fertilizer is also suggested.