Water-Energy-Food Nexus describes the interdependence of water, energy, and food systems, where decisions in one domain alter demand, risk, and options in the others.
In systems analysis, the term is useful when it clarifies a mechanism, accumulation, constraint, or governance choice rather than serving as a vague label.
Read The Water-Energy-Food Nexus: Mapping Trade-Offs Before Policy Backfires and Groundwater Depletion as a Stock-and-Flow Problem.