Penelitian ini bertujuan untuk mengembangkan majalah berbasis kontekstual kabupaten malinau pada materi pencemaran lingkungan smp yang layak berdasarkan penilaian para ahli dan mengetahui respons siswa terhadap majalah berbasis kontekstual kabupaten malinau pada materi pencemaran lingkungan. jenis penelitian ini adalah research and development (r&d) dengan desain penelitian model borg & gall (1983). adapun langkah-langkah model borg & gall (1983) yang digunakan pada penelitian ini yaitu dimulai dari penelitian dan pengumpulan data awal, perencanaan, pengembangan produk awal, uji coba produk awal dan revisi produk. analisis data menggunakan pendekataan deskriptif kualitatif dan kuantitatif. hasil pengembangan produk majalah mendapatkan hasil validasi dari ahli media memperoleh presentase sebesar 88% dengan kriteria sangat layak, ahli materi memperoleh presentase sebesar 83% dengan kriteria sangat layak dan praktisi memperoleh presentase sebesar 93% dengan kriteria sangat layak. penelitian uji coba produk dilakukan dengan uji coba terbatas dan jumlah sampel sebanyak 9 siswa kelas viii smp negeri 2 malinau selatan hilir, hasil respons siswa yang diperoleh rata-rata sebesar 92% dengan kriteria siswa sangat tertarik terhadap majalah yang dikembangkan. dari hasil yang diperoleh majalah yang berjudul “pencemaran lingkungan berbasis kontekstual kabupaten malinau” sangat layak digunakan sebagai sumber belajar siswa. kata kunci : majalah, kontekstual, pencemaran lingkungan

This study aimed to develop a malinau district contextual-based magazine on environmental pollution material for junior high school level with an appropriate category based on expert assessments and to determine students' responses to the malinau district contextual-based magazine on environmental pollution material. the type of study used was research and development (r&d) with a borg & gall (1983) research design model. the steps in the borg & gall (1983) model used in this research started from research and initial data collection, planning. initial product development, initial product testing, and product revision. data analysis techniques use qualitative and quantitative descriptive approaches. the results of magazine product development obtained validation results from media experts with a percentage of 88% with very feasible criteria, material experts got a percentage of 83% with very feasible criteria, and practitioners got a percentage of 93% with very feasible criteria. product trial research was carried out using limited trials with a sample size of 9 class viii students at smp negeri 2 malinau selatan hilir. the student response results obtained were an average of 92% with the criteria that students were very interested in the magazine being developed. from the results obtained, it can be concluded that the magazine entitled "contextually based environmental pollution in malinau regency" is highly implemented as a student learning resource. keywords: magazine, contextual, environmental pollution