TS.E.2.5 Water can be either an enabler or a hindrance to successful adaptation and sustainable development. Central to equity issues about water is that it remains a public good . Overcoming institutional and financial constraints , including path dependency, is among the most important requirements enabling effective adaptation in the water sector . Water-related challenges, despite reported adaptation efforts, indicate limits of adaptation in the absence of water neutral mitigation action . For some regions, such as small island states, coastal areas and mountainous regions, water availability already has the potential to become a hard limit on adaptation .  
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report