Virtualisation // Virtual water - the water, food, and trade nexus. Useful concept or misleading metaphor?
By J.A. (Tony) Allen. The purpose of this contribution is first, to respond to the request for clarification of the term virtual water by Stephen Merrett. Second, it provides a narrative for those who might not be aware of the origin and development of the concept. Third, the discussion will draw attention to the problems encountered in gaining entry for the idea into those water policy discourses where the it was most relevant.
is timely. Inter-disciplinarity is always difficult. In the water sector such difficulties have been magnified not just by the perversity of its tribal dynamics but especially because the political stakes are high. This account and response will not meet the standards of philosophical analysis set by Merrett. It is written in the spirit of having a further impact on an important on-going discourse. And in the hope that the ideas reach water policymakers. Others might want to comment on whether they think virtual water is a scientifically respectable term or perhaps that it is just a potentially misleading, though useful, metaphor.