“…Whether for accessing different types of assets or financial capital, for mobilizing the labor force needed to implement adaptation actions, or for getting information to access credit or grants, the networks of interpersonal relationships involving kinship, lineage, neighborhood, friendship, and clientelism can lever material and immaterial support for their members. In concrete terms, the local informal loan system, local rotating savings and credit groups, informal safety nets, as well as labor exchange practices, land arrangements, and the intense flow of gifts and mutual services allow people to access a wide range of resources directly mobilized to cope with and adapt to climate change [2,3,10,30,[43][44][45]. We present in the Box 1 a case study conducted in Northern Vietnam's upland area, dealing with the responses and adaptation to weather-related disaster, to show a manifestation of these social dynamics that shape adaptation finance in rural Vietnam.…”