Tony Allan, PhD is based at King's College London and SOAS London. He specializes in the analysis of water resources in semi-arid regions and on the role of global systems in ameliorating local and regional water deficits. He pointed out that water short economies achieve water and food security not on the basis of their own water endowments but by importing water intensive food commodities - a concept which he found he had to call "virtual water." For the past decade he has analyzed our very politicized food system, highlighting that how the "broken" food system operates determines how water is managed and mismanaged by farmers.