This collection of papers represents the outcomes of the International Symposium held in Delft, The Netherlands, on June 13-15, 2007, at the occasion of the 50th anniversary of the UNESCO-IHE Institute for Water Education. The papers discuss how to contribute to the sustainability of effective international development and water management with a digest of lessons learned on local knowledge and capacity development. Authors expose recent research, strategies and policy positions. Water for a Changing World starts with an introduction and overview of the water resources and the water supply...