The "Nexus", as understood in the context of this document, is a process for allocating and using resources to ensure water, energy and food security for an ever-growing population at a time of climate change, land use transformation, economic diversification and the need to make development pay. In the context of the Nexus, the report discusses forms of intervention in these three areas, enabling factors, and evidence from case studies and stakeholder consultations. The report includes recommendations for a possible roadmap and funding options.