Abstract: The research aims to investigate the influence of environmental knowledge toward students attitude about ecological awareness. This study is ex-post facto research, the conducting in the eighth-grade secondary schools the academic year 2016/2017 with 422 students as the total number. In taking the sample as many as 117 students, random sampling used. The tests, questionnaires, and semi-structured interview used in collecting the data. The data analyzed by using descriptive statistics and regressions. The findings show that (i) Environmental knowledge of the students mostly included in the high category, (ii) There is a significant influence on the understanding of the students about environment towards the attitude of the students about environmental awareness.
Keywords: Knowledge, Attitude, Environmental, Awareness