Despite concluding that integrated solutions addressing the systemic connections between the FEW nexus would improve development and environmental outcomes, there are limitations of integrating multiple frameworks, both in terms of describing the complexities and in finding solutions . Leck et al.  and Weitz et al.  indicate that evidence of successful implementation and improved outcomes based on the application of nexus concepts is rare.
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report