The “Nexus” concept captures — in a single word — the complexities of trying to solve three problems at once, all critically important, and all rich with ethical assumptions. The German Government has launched a website devoted to this theme: www.water-energy-food.org, and a recent blog post nicely summarizes the value of “nexus-thinking“. See also the views of Mark Smith (IUCN’s water director) that the environment is the missing, fourth dimension of the water-energy-food nexus.
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