This research aims to shift the academic society within ULM ‘s conventional behavior toward plastic waste to the green behavior, in order to establish the Green Campus for ULM. The previous research within the first year found that ULM’s faculties has not behaviorally green, indicates by the unfulfilled indicator of waste management criteria compiled by University of Indonesia, that internationally acknowledge as the UI GreenMetric. Then, the inspirational top-down and bottom up approach were being utilized to stir the intended behavior. The bottom-up approach resulted as the 1st year research output, it inspires undergraduate students to form a student’s movement namely Gerakan Mahasiswa Peduli Sampah (Waste-care Student’s Movement). The advanced research within the second year intend to accompany the movement to initiate the establishment of the Green Campus’s as Student’s Activity Unit at the faculty level. Act within an action research, PLA method being utilized to garner students and university’s management feedback about the best/ better way of the university’s plastic waste management especially. The expected result within the year-2 research is the good practice of Green Behavior at ULM, by establishment of the Green Campus’s as Student’s Activity Unit at the faculty level, which promoting ULM as Green Campus. Conference Classification Codes: 319 Keywords: Green Behavior, Green Campus, student’s waste care movement, Student Unit Activity, higher education