© 2009 American Public Health Association DOI: 10.2105/AJPH.2009.159863
Michael R. Greenberg is with the Edward J. Bloustein School of Planning and Public Policy, Rutgers University, New Brunswick, NJ, and with the American Journal of Public Health, American Public Health Association, Washington, DC. Correspondence: Correspondence should be sent to Michael R. Greenberg, PhD, Edward J. Bloustein School of Planning and Public Policy, Rutgers University, 33 Livingston Avenue, New Brunswick, NJ 08901-1958 (e-mail: mrg@rci.rutgers.edu). Reprints can be ordered at http://www.ajph.org by clicking on the "Reprints/Eprints" link.
Water has been both a source of conflict and a weapon used in conflicts, and water systems have been targets in conflicts started for a wide range of reasons. Water-related disputes often end before obvious ecological and human health consequences emerge, but not always.1–5
Part of US western lore, memorialized in books, television, and film, are conflicts between farmers, ranchers, and urban dwellers over limited water supplies. For example, a century ago (1907–1913), the Los Angeles, California, aqueduct was attacked to try to prevent diversion of water from Owen Valley to the growing city of Los Angeles. In 1935, Arizona
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