Air Quality Alert: Maine DEP warned particle pollution could hit “Unhealthy for Sensitive Groups” levels Saturday from wildfire smoke drifting in from Manitoba and Ontario, with possible higher spikes; residents are urged to limit strenuous outdoor activity and keep indoor air filtered/closed and to check the DEP hotline for updates. PFAS & Policy: A national spotlight on PFAS in biosolids comes as Massachusetts lawmakers leave PFAS protections on the table, underscoring how “forever chemicals” can slip through gaps even when other safeguards exist. Local Land Use: Ellsworth residents near a proposed 28-site RV campground on Bayside Road are asking the city to pause new rural campground approvals, citing noise, traffic, and environmental/safety concerns. Energy Efficiency: South Portland launched a free Home Energy Program offering weatherization materials and help to cut bills and reduce greenhouse gas emissions. Wildlife & Coasts: Scarborough officials and biologists are monitoring a higher-than-usual run of white sharks near Pine Point Beach after multiple sightings over 48 hours. Food Safety: A multistate Salmonella egg recall linked to Midwest Poultry Services is expanding, with cartons sold under several brands and best-by dates through Aug. 17. Research & Materials: UMaine researchers are developing wood-fiber cooler insulation foam as a greener alternative to polyurethane.