Israel Goes from Shortage to Surplus

Scorched by drought just a few years ago, Israel embraced desalination to go from water shortage to surplus.

Desalination filters saltwater through membranes, leaving larger salt molecules, but biofouling—when seawater microorganisms clog the membrane’s pores—has challenged past efforts. Edo Bar-Zeev and colleagues at Israel’s Zuckerberg Institute for Water Research developed a way to foil the fouling, with the help of porous lava stone.

Now, desalinated water makes up more than ½ of Israel’s domestic supply—and Bar-Zeev “believes that Israel’s solutions can help its parched neighbors, too — and in the process, bring together old enemies in common cause.”
 

Ensia via Scientific American
 

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