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The water, energy and food (WEF) nexus means that the three sectors — water security, energy security and food security — are inextricably linked and that actions in one area more often than not have impacts in one or both of the others.

FAO has developed an approach to assess and manage the water-energy-food nexus to inform decision-making processes and to guide the development of “Nexus-sensitive” policies, supporting countries in designing and implementing them in a participatory manner.

AS part of the WEF Nexus approach, the Nexus Assessment (including the Nexus Rapid Appraisal) consists of an easily applicable methodology, which relies on indicators that are based on different country typologies, allowing a quick assessment of possible interventions against overarching development goals such as food security, and the sustainability of the use and management of energy and water supplies.

An online tool to facilitate the WEF Nexus Rapid Appraisal is available here.