http://www.ecosanres.org/
Official web page of the Ecological Sanitation Research Programme (EcoSanRes). The EcoSanRes Programme aims to develop and promote sustainable sanitation in the developing world through capacity development and knowledge management as a contribution to equity, health, poverty alleviation, and improved environmental quality. It contains numerous helpful publications, and also allows you to gain access to the EcoSanRes discussion forum, currently the most active discussion forum on ecological sanitation.