Abstract: A problem-based environmental pollution module which is a module resulting from research on mercury and cyanide pollution in artisanal small scale gold mining (ASGM) at Sekotong Sub District, West Lombok District, West Nusa Tenggara, can help students learn independently and make students to understand the environmental conditions around students. This research was conducted with the aim of producing a valid module in Class X biology learning based on problems in environmental pollution material. This research method is research and development with the ADDIE model. Product testing is limited to 31 students of SMA Negeri 1 Sekotong class X MIPA 2. Based on the results of the trial, it shows that the problem-based environmental pollution module can be applied in high school as well as improving environmental worldview, environmental concern, and student collaboration skills.