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WORLD WATER ASSESSMENT PROGRAMME WWAP (Editor) (2009): Water in a Changing World - Overview of Key Messages of the United Nations World Water Development Report 3. Water in a Changing World. Paris and London: UNESCO & Earthscan. URL [Accessed: 19.10.2012].

Key messages of the world water development report No. 3 (2009). The World Water Development Report (WWDR), the only report of its kind, provides a triennial, comprehensive review and authoritative picture of the state of the world's freshwater resources.