March 15-16, Monday and Tuesday -- Water use and supply around the world will be discussed by speakers during this two-day symposium titled "The Future of the World's Water Supply." Topics will include agriculture and water in developing countries, water conservation, water issues in California, and water treatment and reuse. The event will be held Monday in the Buehler Alumni and Visitors Center and Tuesday in the University Club, both at UC Davis. The symposium is co-sponsored by the Mars Multi-Disciplinary Research Unit at UC Davis and Masterfoods USA, a division of Mars Incorporated.