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Perilaku Pemakaian Plastik Sekali Pakai oleh Mahasiswa dalam Aktivitas di Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mataram
Summary
A study of college students in Indonesia found that even though most students know single-use plastics (like bags and bottles) are bad for the environment, that knowledge doesn't always translate into actually cutting back on plastic use. Interestingly, students studying environmental science were better at avoiding plastic than other students, suggesting that being surrounded by a culture that values sustainability makes a real difference in habits. This matters because single-use plastics break down into microplastics that can end up in our food, water, and bodies—so closing the gap between "knowing better" and "doing better" could help reduce our long-term exposure to these particles.
Single-use plastic remains a major pollution problem in the campus environment. This study aims to analyze the single-use plastic consumption behavior of students in the Faculty of Mathematics and Natural Sciences (FMIPA) at the University of Mataram based on the Theory of Planned Behavior (TPB), including attitudes, subjective norms, perceived behavioral control, intentions, and actual behavior. This study used a descriptive quantitative approach, with 94 students selected through stratified random sampling from six study programs as respondents. Data were collected using a 1–5 Likert scale questionnaire and analyzed descriptively. The results showed that all TPB constructs tended to be in the moderate category, indicating that environmental awareness has been established but has not yet developed into consistent behavioral habits. A similar trend was seen across attitudes, subjective norms, perceived behavioral control, and actual behavior. The Environmental Science Study Program consistently scored higher than other study programs, indicating that an ecologically based academic culture plays a crucial role in establishing stronger social norms, thus enabling environmentally conscious behavior to be realized.