As the conflict goes on, Iran may turn off the taps for its Gulf neighbours. But it is increasingly likely to run out of water itself. We explain why https://www.economist.com/middle-east-and-africa/2026/03/26/in-the-current-gulf-war-water-may-prove-as-decisive-as-oil?taid=69c8d759802c97000147a531&utm_campaign=trueanthem&utm_medium=social&utm_source=voante