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Book review by Professor Tony Allan - LondonAn impressive development of an important idea, August 9, 2008 Arjen Hoekstra and Ashok Chapagain - and others in their team - have since 2001 made very important modelling contributions indeed in developing the science associated with the concepts of virtual water use, virtual water 'trade' and in the related concept of water footprints. The book draws together the essentials of their research published in reports of UNESCO-IHE in Delft and in other science journals. It provides an easy introduction to the two concepts, identifies the assumptions and explains methods. The science is sound. The projection of the ideas and the analysis in the text is accessible. The concepts of virtual water and water footprints have taken some time to gain acceptance. This book will accelerate their adoption in the worlds of water science, water resources planning and allocation and in places where the uses of water resources are highly politicised. It provides an inspired introduction for newcomers to the subject. |