Asian is home to more than half of the world’s population and is the planet’s most dynamic and fastest- growing region (USAID, 2022). However, the Greater Mekong (GM) Region is also increasingly exposed to environmental shocks and stressors, in particular climate-induced water vulnerability, according to the Intergovernmental Panel on Climate Change (Parry et al., 2007; Krittasudthacheewa, 2019). Ensuring sustainable adaptive capacity of GM communities require an integrated approach of regional collaboration on policy development and advocacy, National cooperation on transboundary environmental and social issues, and community level buy-in on policies and practices.