As cities worldwide face demographic imbalances and uneven development, local revitalization and circular economy initiatives have emerged as new pathways for urban sustainability. Taiwan has accumulated extensive practical experience by activating local resources and promoting community engagement, while international examples of integrating local characteristics with decarbonization goals provide valuable lessons. This forum will facilitate multi-case exchanges, exploring how to implement circular economy practices in local governance, while balancing economic benefits with social impact, providing systematic, actionable insights for cities pursuing sustainable local development.