Global desertification is accelerating and water shortage is a worldwide problem. Amazingly, Israel is unique and has more water than it needs. The turnaround started in 2007, when the national water authority built innovative water treatment systems. These recapture 86 percent of drain water and use it for irrigation — vastly more than the second-most water efficient country in the world, Spain, which recycles 19 percent.
Israel has four main water sources: Lake Kinneret (Sea of Galilee), the highland aquifer (permeable rock that can carry water), the coastal aquifer and desalinated seawater