This policy note provides a summary and perspectives of the Water-Energy-Food-Ecosystems (WEFE) Nexus for climate-resilient sustainable development. It showcases the strong inter-relationship between water resources, energy generation, food production and freshwater ecosystems and the links between the WEFE nexus and integrated water resources management (IWRM).

The WEFE nexus emphasises using a systems approach to give equal consideration to all four sectors and accelerate sustainable, equitable and resilient socio-economic development for all. Recommendations to successfully implement the WEFE nexus are, including management instruments and tools to guide decisions, actions and finance for investment.

This publication is a joint collaboration between UNEP-DHI and the UNEP Copenhagen Climate Centre.