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The circular economy concept can enhance sustainability through restructuring consumption and production patterns using innovative designs and business models. This core premise is highly relevant for the interlinked water and food supply sectors in arid regions, which are threatened by natural scarcity and resource overuse. This paper transfers the idea of the circular economy into the practice of the water and food sectors using the example of the region of the Gulf Cooperation Council (GCC). It develops a framework for identifying circular economy strategies and issues applicable to basic supply sectors. In analyzing the value chain and circular strategies of the water and food sectors, the circular economy idea has resulted in numerous industrial applications. The range of applications is illustrated in the key industries of wastewater and local food production. Expanding the reuse options for municipal …