Israel and the Palestinian Authority signed a water-sharing agreement under U.S. mediation. Israel agreed to provide 32 million cubic meters (about 8.5 billion gallons) of water annually to the Palestinian territories. Though the agreement is an advancement on a contentious issue, it is relatively little to ask of Israel to provide the water at a discounted rate until completion of the desalination plant in Aqaba, Jordan associated with the Red Sea-Dead Sea Water Conveyance project. The 32 million cubic meters is less than 10 percent of total Palestinian consumption. Given the dire water scarcity situation facing the territories, The Palestinian Authority may divert a third of the water from this latest deal to the Gaza Strip where the scarcity is most acute (annual demand there is four times the natural groundwater supply). With demand outpacing supply, the Palestinian Authority needs a renewable source of affordable water....