What rhymes with virtual water?
vir·tu·al wa·ter

Virtual water trade refers to the hidden flow of water if food or other commodities are traded from one place to another. For instance, it takes 1,600 cubic meters of water on average to produce one metric tonne of wheat. The precise volume can be more or less depending on climatic conditions and agricultural practice. Hoekstra and Chapagain have defined the virtual-water content of a product as "the volume of freshwater used to produce the product, measured at the place where the product was actually produced". It refers to the sum of the water use in the various steps of the production chain. Professor John Anthony Allan from King's College London and the School of Oriental and African Studies introduced the virtual water concept, to support his argument that countries in the Middle East can save their scarce water resources by relying more on import of food. For his contributions he was awarded the 2008 Stockholm Water Prize. Allan stated: "The water is said to be virtual because once the wheat is grown, the real water used to grow it is no longer actually contained in the wheat.

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