Increased demand for water around the world means that some sources are running dry, leaving areas without enough fresh water. More affluent areas are turning to untapped sources of water including desalination and creative reuse or recycling of existing water sources.
Brent Haddad, associate professor of environmental studies, University of California
Sandra Postel, visiting senior lecturer in environmental studies at Mount Holyoke College, director of the Global Water Policy Project
Jerry Maxwell, general manager, Tampa Bay Water