Description:This is a complete, standards-aligned unit on PFAS ("forever chemicals") — one of the most urgent and teachable issues in environmental science today. Students investigate the chemistry behind PFAS persistence, analyze real EPA monitoring data, debate federal regulation, and engineer a treatment solution for a contaminated town. The unit culminates in a summative assessment modeled on AP Environmental Science FRQ format. What's Included (PDFs + Links to 3 editable Google Doc files):1