A new Mangrove Threat Index from Scripps and Mexican partners scores patches 0–1 to identify forests at immediate risk and guide protection. Local tests in La Paz show the index predicts where losses are likely to happen.

A rotten‑egg sulfur smell sent residents near Frazee and SR‑76 online Tuesday; the city suggested nearby Talone Lake as a possible source. County and federal guidance explain why wetlands can emit the odor and when to get help.

A planned prescribed burn in Jeff Valley may send visible smoke across Palomar Mountain; officials ask residents not to report the smoke and to check air-quality updates.

San Diego County posted water-contact advisories for Tidelands Park in Coronado and Harbor Beach in Oceanside. Check the county beach dashboard for live updates.

Pepper Park reopened Saturday after an $8M Phase One renovation, unveiling a splash pad, pirate playground and new bayfront terraces. Families turned out in force for the celebration.

A hiker discovered dead baby leopard sharks on the Black's Beach trail in La Jolla, sparking environmental concern and prompting wildlife‑agency notifications.

CAL FIRE warns the goldspotted oak borer has killed more than 200,000 oaks in Southern California and is spreading north; residents are urged not to move firewood and to report suspicious trees.

San Diego County added the San Luis Rey River outlet in Oceanside to its beach-advisory list, warning against water contact near the river mouth.

San Diego has fenced off the Mission Beach lifeguard tower near Belmont Park while crews build a temporary station and make repairs. Boardwalk detours are in place and the city is lining up funding.

A 2023 planning adoption error left parts of Barrio Logan labeled commercial and a Boston Avenue parcel was sold. City Council has voted to restore the land to park use.

SeaWorld San Diego released a male California sea lion after an X-ray revealed a bullet behind his eye; rehabers say he recovered and was returned to the ocean.

A five‑pillar report urges binational fixes — from plant repairs and steady operations funding to reuse and real‑time monitoring — to end chronic Tijuana River pollution. Authors say the plan pairs emergency fixes with long‑term governance and monitoring to cut beach closures and health harms.

A trail camera above Santee Lakes captured a mountain lion prowling near homes at 4:12 a.m.; wildlife officials say sightings are rare but possible near open space.