There is high confidence that water-related adaptation is occurring in the agricultural sector , and water-related adaptation in the agricultural sector makes up the majority of documented local, regional and global evidence of implemented adaptation  . However, while there is increasing evidence of adaptation and its benefits across multiple dimensions, the link between adaptation benefits and climate risk reduction is unclear due to methodological challenges  . On the other hand, while it is methodologically possible to measure the effectiveness of future adaptation in reducing climate risks, the main limitation here is that not all possible ranges of future adaptations can be modelled given the limitations of climate and impact models  . Furthermore, findings on current adaptation are constrained by what is documented in peer-reviewed articles. At the same time, there may be a range of options implemented on the ground by local governments or as a part of corporate social responsibility that is not published in peer-reviewed publications.
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report