This study aims to develop teaching material products in the form of Electronic Student Worksheets (E-LKPD) based on Problem Based Learning (PBL) on valid and practical air pollution sub-materials. The development of PBL-based E-LKPD uses a type of development research with the ADDIE Model, but research is limited to the development stage. This research was carried out at SMA Negeri 16 Palemban…