In order to develop their own action plan for the adaptation to climate change as well as to the sustainable management of their locality, the population of Ruyigi Commune in Ruyigi province, represented by the SERUKUBEZE Association, has proceeded with the facilitation of the Burundian Association for the Protection of Nature (ABN) to assess their vulnerability to climate change through an in-depth analysis of their relationship with the Mpese mountain range. Ungwe, an essential ecosystem on which this population depends heavily through its biodiversity as well as its ecosystem services.