The 2nd Regional Climate Change Conference 2026 (RCCC) will provide a unique opportunity to share science, on-the-ground experiences and policy developments across different countries and communities, with a special focus on early-career professionals and female participants from the Global South. RCCC aims to foster future research by using state-of-the-art methods in climate modeling, regional/local climate impacts, and risk assessment. RCCC is intended to be held biannually on a rotating basis in Sri Lanka and Thailand.