Climate adaptation planning approaches can be constrained by several economic, institutional, developmental and political barriers , including strong political support, that is, the lack of collective willingness to take action. Despite the ongoing accumulation of scientific evidence as to the seriousness of the impact of climate change on water resources, state action has not always been effective. There are now a rising number of case laws addressing the state's failure to implement adaptation policies and resultant climate change litigation , including in the water sector, as in the leading case Leghari v Federation of Pakistan , in which a farmer sued the national government for failure to carry out national climate change policies impacting on the constitutional right to life .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report