Manit Sachiyo, Prayoon Wongchantra, Bunyat Salee, Model Participation for Children based on Environmental Education Principle: A Case Study of Tambon Hora, Adsamad District, Roi Et Province, Environmental Research Journal, Volume 6,Issue 1, 2012, Pages 44-49, ISSN 1994-5396, erj.2012.44.49, (https://makhillpublications.co/view-article.php?doi=erj.2012.44.49) Abstract: The objectives of this research were to study the problems and involvement in managing the Tambon for children and youth. To create a model and to study the effects of patterns of participation in managing the Tambon for children and youth. The research procedure composed of studying community general data, village participation problems and the needs of people for problem solving. The researcher and the target group of 60 people analyzed and formed the development strategies and test period and check the suitability of the form of participation in managing the district's children and youth. Using the principles of Environmental Education (EE). The workshop activities of 40 children and the sample size by purposive sampling the group leader’s use of key informant person. After 20 months of implementation, the effectiveness of the development strategies was compared before and after the research project. The data were collected from interviewing, group discussion and observation. As for data analysis, the content analysis was conducted through data grouping and categorizing. Finally, the conclusion was verified by the data providers. Keywords: Developing model;participation;problem of children;investment;safeguards;Thailand