The Research and Development Conference on Urban Parks and Green Cities: A Sustainable Future in Southeast Asia was held on October 11-13, 2022 at the Diamond Hotel, Roxas Boulevard, Manila, Philippines. With a growing body of research, the Ecosystems Research and Development Bureau (ERDB) organized the Conference as it targets to contribute in the sustainable development and management of parks and green cities. ERDB, the research arm of the Department of Environment and Natural Resources (DENR), is mandated to produce research and development activities focusing on five ecosystems including the urban areas in the Phi