Enables policymakers, planners, academics and scientists to put the WEF Nexus thinking into practice through knowledge products, trainings, videos and projects. Our Knowledge Centre offers a wide range of resources that support and inspire the implementation of the WEF Nexus approach. Further development of the resource nexus concept for research and practice Flour Brouwer et al. aim of this paper is to test the validity of the nexus construct in research and practice. Based on a systematic review of reviews, including 62 Nexus-related reviews, and subsequent consultation with around 60 Nexus experts, a robust and flexible approach to advance the alignment of resources for research and practice is proposed. In this way, knowledge gained through Nexus studies can provide more substantial support to decision makers when designing and implementing policies for the sustainable management of environmental resources. Summary The concept of Nexus has evolved...