Other Sites
- Euro-Mediterranean Information System (also in French)
- European Water Association
- Hydrology Web
- International Association of Hydrogeologists
- International Water Association
- International Union for the Conservation of Nature (IUCN)
- Land and Water Development Division (UN Food and Agriculture Organization)
- Our Great Lakes
- United States Geological Survey
- A Guide to World Resources 2002-2004: Decisions for the Earth: Balance, voice, and power (World Resources Institute)
- Water and Nature Initiative of the World Conservation Union
- The World’s Water - A Project of the Pacific Institute for Studies in Development, Environment, and Security
- WWF
