Contra Costa County adds $12.9 million more, with local nonprofits set to work on climate education, urban forestry, clean energy and greener transportation.

Gold Bond Building Products must enclose its outdoor gypsum pile after dust spread beyond its Richmond property line.

Attorney General Rob Bonta says the Invenergy deal is a sham settlement built to dodge legal limits on canceling leases.

East Bay Regional Park District now requires a 30-day wait before boats launched at Lake Del Valle can hit another district lake.

Smoke moved over Richmond Tuesday, prompting Nixle alerts telling residents not to dial 911.

Kennedy High’s Richmond campus is off-limits to staff and families after preliminary vapor testing results prompted a district warning. The notice arrives just before teachers return and the new school year begins.

Berkeley Earth’s new Synthesis platform pairs observations and models to map city-level heat, rising cooling demand and emissions — with concrete implications for the Bay Area.

Cool, foggy mornings and sunny afternoons this week; sneaker waves and strong rip currents expected Tuesday–Friday.

DTSC has added microplastics to California’s Candidate Chemicals List, creating a route to review products that contain or shed tiny plastic particles.

A preliminary magnitude-5.6 quake near Redwood Valley set off ShakeAlert on Bay Area phones Wednesday morning. Officials report no immediate injuries or tsunami danger.

Federal regulators say Union Pacific mishandled PCB cleanup waste from an Oakland site, sending hundreds of tons to a landfill not authorized to accept it.

A wildfire called the Calhoun Fire was reported in Alameda County on June 19; initial reports say it was first seen about 3:20 p.m. and is burning on private land. Containment and cause were not yet known.

SFEI monitoring shows 6PPD-Q from tire wear in San Francisco Bay after storms, raising concerns for steelhead and other fish.