The document outlines a community participatory intervention model in Hanam Province, Vietnam, designed to reduce health risks from biogas wastewater derived from livestock waste. It highlights the implementation of transdisciplinary approaches to improve farmers' knowledge and practices regarding biogas systems, emphasizing the collaboration between local communities and researchers. Results from the intervention indicate significant improvements in farmers' knowledge and practices associated with biogas operation, showcasing the efficacy of community participation in addressing agricultural and environmental issues.