Summary: By importing a year's worth of food for one person, you save the 1,000 cubic metres of water per year that would be required to grow it. Thus, you impo

Summary: By importing a year's worth of food for one person, you save the 1,000 cubic metres of water per year that would be required to grow it. Thus, you import 1,000 cubic metres of virtual water (perspective: you only drink 1 cubic metre pa). Lesson 1: you need a cool pitch to sell your thesis/product. my publishers pointed out that predicting an absence of war over water would not sell. Lesson 2: not every cool thesis/product has a market.