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From Nexus Thinking to Nexus Action in Food-Water-Energy-Waste Management

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Urban resource systems are under stress due to climate change and growing populations, and many urban and environmental experts would agree that conventional sector-specific approaches often miss opportunities to manage these resources more efficiently.

For this reason, breaking silos is essential for understanding trade-offs and identifying synergies to promote more informed actions for efficient resource use. This would ensure that key services are provided to communities while associated environmental impacts are minimized. In this regard, adopting Nexus approaches by local and subnational governments are becoming more prevalent in addressing sustainability issues in a more integrated way, while helping to build more sustainable, climate resilient, and livable communities.

Viewers will gain an improved understanding of the potential that the Nexus approaches and, more specifically, the Food-Water-Energy and Waste approach might have for creating new pathways through which sustainability issues such as climate change mitigation and adaptation, resource efficiency, and human well-being could be addressed across sectors at the local-level.

In this session, a diverse array of experts from the UN and other international agencies, academia, research hubs and funders, and local governments share their insights into Nexus approaches. They will cover important topics such as the Nexus science-policy-practice toward climate targets, creativity in stimulating collaboration and dialogue among all stakeholders, and also the role of international and transnational research hubs and funders in facilitating research and development to inform policy and action for Food-Water-Energy and Waste Nexus. The discussion is followed by  insights and preliminary findings of an ongoing Nexus project called “Understanding Innovative Initiatives for Governing Food, Water and Energy Nexus in Cities” (IFWEN). This session also involves an exemplary case of a local government – Nagpur, India – that has found success in applying the Nexus approach while linking city-led research and evidence-based decision making in the context of the Food-Water-Energy-Waste Nexus.


  • Pourya Salehi, Research Officer and Coordinator of ICLEI’s Global Research Strategy,
    ICLEI World Secretariat, Germany


  • Prof. Jose A. Puppim de Oliveira, Professor and the project lead for IFWEN -“Understanding Innovative Initiatives for Governing Food, Water and Energy Nexus in Cities” (a Belmont Forum Project) at Fundação Getulio Vargas (FGV), Brazil
  • Rajesh Dufare, Executive Engineer, Nagpur Municipal Corporation, India
  • Dr. David Maddox, Executive Director, The Nature of Cities, USA
  • Jonas Bylund, Research & Innovation Officer at the Management Board, JPI Urban Europe
  • Dr. Mathias Gustavsson, Senior expert and project leader at IVL Swedish Environmental Research Institute, Sweden
  • Paul Currie, Manager of Urban Systems Unit, ICLEI Africa Secretariat