This volume is the result of years of commitment with world-wide sanitation challenges from various research networks linking the editors and authors of this volume to many other sanitation scholars and professionals. Major contributions to this volume are derived from the work done in the PROVIDE project (working on sustainable urban infrastructures in cities of the Lake Victoria Basin, East Africa), the DESAR project (research and pilot projects in Decentralized Sanitation and Reuse, the Netherlands), and among others within NETSSAF (large scale implementation of sanitation in Africa), and...