A participatory curriculum development process was undertaken to design and implement a university-level, community-based environmental education training course to target behaviors and thus increase the effectiveness of conservation programs in central Vietnam. The process included (1) stakeholder analysis, (2) training needs assessment, (3) development of a curriculum framework, (4) training of trainers, (5) curriculum review workshop (6) development of a detailed curriculum, workbook and teacher's notes, (7) testing and verification of the field methodology and development of a field manual, (8) teaching of courses, and (9) development of monitoring and evaluation protocol. Participatory field activities were used to develop specific strategies to understand and alleviate local conservation problems by targeting specific behaviors related to particular conditions of knowledge, skills, attitudes, barriers and/or options. (Contains 5 tables.)