International donors and supranational/transnational legislation (e.g., EU law) can support the capacity of national and sub-national governments to act and remove possible barriers to the effective implementation of climate change adaptation policies in the water sector, including obstacles posed due to lack of financial support for the developing countries (Massey et al., 2014; Tilleard and Ford, 2016; Biesbroek et al., 2018; Rahman and Tosun, 2018)