Looking back on the last 11 years of the Nexus journey (Assi, Accola, Hovhannissian, Mohtar, & Braudeau, 2014; Braudeau & Mohtar, 2014; Daher & Mohtar, 2015; Mohtar, 2015; Mohtar, Assi,… Click to show full abstract
Looking back on the last 11 years of the Nexus journey (Assi, Accola, Hovhannissian, Mohtar, & Braudeau, 2014; Braudeau & Mohtar, 2014; Daher & Mohtar, 2015; Mohtar, 2015; Mohtar, Assi, & Daher, 2017; Mohtar & Daher, 2014; Mohtar & Lawford, 2016), I’d like sum up what we have learned from the Nexus and how we should use it to move towards sustainable water use and production. The last few days many of us have been talking about how to use policies and new technologies to bridge the research gaps that we face. Often this has been framed in terms of water efficiency. Let me confess to you that efficiency alone is not going to be enough. Yes, we need greater efficiency if we are to move forward; but it is not sufficient. We need a new business model for water use and production, one that incorporates but also goes well beyond water efficiency, technological solutions, and innovation. Several presentations here at the Congress have clearly demonstrated that there is a projected resource gap. Actually there are several water-energy-food resource gaps, and
               
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