JPI Urban Europe SUGI - CRUNCH: Climate Resilient Urban Nexus Choices: Operationalising the Food-Water-Energy Nexus

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CRUNCH will demonstrate how the Food-Water-Energy Nexus can strengthen urban resilience through creating an interconnected knowledge platform with cross-sectorial indicators for a support tool and assessment framework (the Integrated Decision Support System - IDSS), to guide and improve robust decision making on future urban development. In order to implement integrated Nexus solutions for FWE, CRUNCH will co-define context-specific challenges for each of the Urban Living Labs (ULLs) in the participating cities (Southend-on-Sea, Uppsala, Eindhoven and Gdansk; Miami and Taipei). It will deliver a comprehensive overview of potential solutions, deep knowledge and evidence for the co-design of the selected urban areas. The potential solutions include urban food production with renewable energy systems through biomass (anaerobic digestion using organic waste); holding, cleaning and draining water naturally through an integrative and systemic ecological approach combined with sustainable storage solutions and urban drainage (reducing flood risk). Using 4 (plus 2) ULL scenarios developed through CRUNCH for the participating cities, a context specific FWE-Nexus framework will be developed and visualised (supporting Follower/Multiplier Cities). To facilitate co-production and foster innovation and cost-effectiveness across the ULLs, the project proposes to underpin the processes by strategic trajectories through an evidence based framework for creating resource-efficient and resilient cities. The CRUNCH project addresses all three sectors of food, water and energy through the integrative FWE-Nexus approach. It aims to support local decision and policymakers, practitioners and civil society organisations by translating the key findings of a deep review of literature, knowledge and research evidence on the FWE-Nexus into the design of Urban Living Labs. The primary objective is the realisation of an Integrated Decision Support System (IDSS) as a multi-dimensional GIS-system (geographic information system supported) map-based baseline platform for decision makers that will provide consistent and coordinated support for multiple users on varied decisions in urban planning. The proposal creates a tool for integrated decisioning using the Urban Living Lab (ULL) approach; identifying the cities' needs, developing the tool and framework, testing and analysing the models using different scenarios.