a leading institution concerned with education, training, research, and consultancy relating to the planning, provision, and management of infrastructure for development in low- and middle-income countries

a network of water experts working for preservation and enhancement of the global water environment

information on many aspects of water, along with pictures, data, maps, and an interactive center where you can give opinions and test your water knowledge

USGS maps and graphs of current water resource conditions

the University of Illinois project using the internet for integrating current and archived weather information to support multimedia instructional resources