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.
WORLD WATER ASSESSMENT PROGRAMME WWAP (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: 06.05.2019]