A motherlode of global water information. Includes reports, statistics, links to UNESCO and UNESCO-led programs, news on international water events and conferences, water celebrations, as well as links to hundreds of water organizations in many nations. UNESCO's International Hydrological Program (IHP) spurs intergovernmental cooperation in water management through technology, education and conflict resolution.

UNESCO's World Water Assessment Program (WWAP) produces an annual World Water Development Report, a comprehensive assessment of global freshwater resources, challenges and issues. A collaboration of UN agencies, it is considered a keystone summary. The 2018 report is on Nature-Based Solutions for Water.