Comprehensive review of food-energy-water nexus at the community scale.

Food, energy, and water, as the basic resources supporting human survival, are fundamental to the sustainable development of humanity. Urban space plays an influential role in promoting the sustainable development of the three resources. As environmental problems such as global warming, ecological destruction, and resource shortages become increasingly severe, there is also a growing recognition of the importance of community as the fundamental component of urban space in sustainable development. In order to systematically understand the impact between food–energy–water nexus and community spatial planning, this paper provides a comprehensive literature review to bridge the current gaps in this area. This paper uses the nexus approach to summarize the trends and results of the food–energy–water nexus research in the community space field from the following five aspects: spatial scale, spatial interface, interactions, synergistic effects, and research methods. The results show that food–energy–water systems in community space are closely related to each other. However, the existing studies mostly focus on resource interaction and environmental impact, and lack of discussion on how food–energy–water nexus affects community spatial planning and its optimization. Finally, based on the current results, this paper proposes a conceptual research framework of the food–energy–water nexus in community space including influential mechanisms, space utilization, disciplinary integration, new technology application, data and methods. Therefore, the major findings of this review highlight the importance of the impact between food–energy–water nexus and community spatial planning and develop a conceptual framework for research. • This paper reviewed the FEW nexus research in the community space field. • It shows that FEW systems in community space are closely related to each other. • Researchers mainly focus on interactions of the FEW but rarely on other constraints. • It summarized new FEW system integration approaches to promote synergistic effects. • A conceptual research framework for the FEW nexus in community space is proposed. [ABSTRACT FROM AUTHOR]