"The company whose pipeline exploded into a fireball in San Bruno this month has reported leaks at a rate six times the annual average for other large pipeline operators, data analyzed by The Times show."

"An activist with the Communities for a Better Environment takes on Big Oil over delaying the state's global warming law."

"Most levees in the city of Sacramento have technically failed a maintenance inspection by the U.S. Army Corps of Engineers because they are bristling with trees and other structural intrusions. But the city won't be penalized — for now — while long-term solutions are being developed."

"One of Northern California's largest polluters may be trying to orchestrate a last-minute deal with Sacramento lawmakers to evade state environmental laws, potentially increasing its toxic emissions and skirting two court rulings."

"California lawmakers have rejected a bill seeking to ban plastic shopping bags, after a contentious debate over whether the state was going too far in trying to regulate personal choice."

"Five out of nine members of a scientific panel that advises [California] state on toxic chemicals have been fired in recent weeks, following disputes with the chemical industry and a conservative group that targets environmental laws."

"The monitoring is at its lowest level since becoming law more than a decade ago, putting swimmers, surfers and divers at greater risk of exposure to contaminated water, a Times investigation shows."

"Cruise ships and large commercial ships will be banned from dumping any kind of sewage -- even highly filtered wastewater -- along California's coast out to three miles from shore, under new rules from the Obama administration."

"Citing the Gulf oil spill, the senator says the Republican's stance could threaten the jobs of 400,000 workers. Analysts say oil drilling is one of her most effective wedge issues."