There is a long history of conflicts over water – the Pacific Institute maintains an online, searchable chronology of such conflicts going back 5,000 years. There were dozens of new examples in 2012, in countries from Latin America to Africa to Asia. (A full update for 2012 has been posted.) Access to water and the control of water systems have been causes of conflict, weapons have been used during conflicts, and water systems have been the targets of conflict.
One especially disturbing example of a major conflict, with complicated but direct connections to water, has developed over the past…