Maryland Fishing & Shellfish Rules: The state Department of Natural Resources opened public comment on two proposed changes—one clarifying legal gear for catching fish, crabs, oysters and hard-shell clams, and another requiring some shellfish sellers to formally declare they’re operating as seafood dealers. Comments are due July 27. National Aquarium Leadership: Jennifer Driban will become the National Aquarium’s first female president and CEO on July 1, after serving as interim leader since 2025. Extreme Heat Prep: With a heat wave building, Baltimore-area residents are being pointed to public pools and cooling options, while the National Weather Service has issued Heat Advisory and Extreme Heat Watch guidance for parts of Maryland. Calvert Data Center Fight Heads to Court: A new group, Citizens for Calvert, says it’s preparing legal action over proposed data centers near Calvert Cliffs. Maryland Arts Calendar: Annapolis Opera announced its 2026-2027 season, including “Pirates of Penzance” and “Rigoletto,” plus concerts and a children’s opera. Local Nature Projects: Olde Severna Park is adding a native pollinator garden along Park Drive, replacing turf with habitat-focused plantings.