Developing a Sustainable Water–Energy–Food Nexus as a Socio-Technical–Ecological Transition: The ONEPlanET Experience in Africa

Le résumé fourni par la source

The complexity of the Water–Energy–Food (WEF) Nexus demands a comprehensive framework for its implementation, particularly concerning place-based governance and sustainable transitions. In this work, the WEF Nexus is conceptualized through the lens of Socio-Technical Systems Transition Theory and its interconnections with geo-ecological system components, enabling its recognition as a place-based Socio-Technical–Ecological meta-System (STES). The UN Sustainable Development Goals (SDGs) are introduced as landscape drivers of the WEF Nexus, as they acknowledge the crucial role of society, technology and ecological systems in its interconnected domains. A novel integrated methodology to develop the WEF Nexus as a STES transition is presented, encompassing literature review, qualitative analysis, conceptual mapping, and multi-stakeholder co-creation. This theoretical framework was empirically tested and improved across selected case studies on hydrological basins in Africa within the ONEPlanET Horizon Europe Project. Both leverageable subsystems and promising transitional innovation assets were identified. The transitional X-Curve assisted in the discussion in the empirical context of ONEPlanET to generalise the findings and the visual presentation of the identified pathways. The methodology that resulted is suitable for supporting a concrete exploration of systemic mapping, analysis, and planning towards a sustainable WEF Nexus in complex geographies, facilitated through multi-stakeholder engagement and co-creation.

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