Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
This handbook explains the main components of water resources assessment done by national authorities.
UNESCO ; WMO (1997): Water Resources Assessment. Handbook for Review of National Capabilities. Geneva and Paris: World Meteorological Organisation (WMO) and United Nations Educational Scientific Cultural Organisation (UNESCO) URL [Accessed: 12.09.2010]