Desalination used to be the preserve of money-rich but water-poor Middle Eastern countries. It was expensive and caused pollution but in the arid desert where rain is scarce, there was little choice. Without desalination, taps across the Gulf would run dry and farms would wither and die. Experts have issued warnings about the water wars of the future as one of the world’s most precious resources begins to dry up. This week on Beyond the Headlines, host James Haines-Young looks at how Saudi Arabia, the UAE, Israel and Gulf states led a water revolution and how desalination could quench the world’s water worries.   c856e29038ff517b227136c93c96a2ec65582c96