"The National Park Service has released a draft assessment of a California oyster farm's impact on a wilderness area, concluding that the farm's continued operations would harm harbor seals."

"San Francisco -- The shipping companies responsible for the 2007 Cosco Busan oil spill, which polluted San Francisco Bay and killed thousands of birds and fish, have agreed to pay $44.4 million to restore habitat and reimburse the agencies that responded to the disaster, state and federal officials announced Monday."

"As rising sea levels eat away at the California coastline over the next century, the advancing ocean could cause hundreds of millions of dollars in damage to beach communities as tourism and tax revenue is swept away, according to a state-commissioned study released Tuesday."

"California’s former top pesticide regulatory official dismissed safety guidelines suggested by her own staff scientists on the grounds that they were 'excessive' and too onerous for the pesticide manufacturer, recently released internal documents show."

"More than 40 employees at a Woodland cannery were taken to Sacramento area hospitals and more than 800 people were evacuated shortly after noon Sunday when a chemical used in tomato processing leaked into a work area, authorities said."

Groundwater pollution from hexavalent chromium from Pacific Gas & Electric led to the "a $333-million-dollar, class-action settlement in 1996 -- one of the largest of all time -- and inspired the 2000 blockbuster movie bearing [Erin] Brockovich's name." Despite the settlement, PG&E has "done little to contain the plume of hexavalent chromium, which U.S. EPA deemed a likely carcinogen in a draft assessment last year."