An unidentified substance has killed or injured hundreds of birds so far.
Passage of two out of three local measures may just set the stage for next battle.
Activists are hoping local residents will do what state legislators haven’t done -- shut down the controversial oil production technique known as hydraulic fracturing.
The Richmond City Council is considering Chevron's plans for a $1 billion project at its refinery there. If it's approved, this is one of the last steps before construction on the project would actually begin.
Benicia city officials are giving people more time to comment on a proposal to bring crude oil by rail to Valero’s refinery there.
Trains loaded with volatile Bakken crude pass through or near cities and sensitive environmental areas on a regular basis.
Environmentalists want Berkeley drivers to see a connection between pumping gas and dumping carbon into the atmosphere.
Beginning Saturday, railroads must notify states when large shipments of crude oil come through by train. The new rule is in response to safety concerns with crude-by-rail.
There's more than meets the eye to the reported reassessment of the state's next big oil play.
Drilling mud is the slick concoction used to cool and lubricate a drill bit, and it’s used for all kinds of wells, including oil and gas. Environmental groups are turning their attention to drilling mud, which is currently exempted from water monitoring.
The debate over hydraulic fracturing in California is heating up as oil and gas regulators release draft rules for the controversial oil extraction technique.