Attacks on desalination plants mark a dangerous escalation in the Middle East conflict. Experts tell Stuti Mishra the Gulf's most water-scarce nations face an existential threat Sign up to the Independent Climate email for the latest advice on saving the planet Get our free Climate email Get our free Climate email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice T he war in the Middle East has escalated beyond oil and