"MORGAN HILL -- Ten years ago this month, community leaders were shocked by the discovery that a company that manufactured road flares here had disposed of toxic chemicals improperly, creating a 10-mile-long underground plume of perchlorate, a chemical used in rocket fuel."

After years of disagreement, planners from California and Nevada seem to have finally agreed on a plan that will allow development while protecting Lake Tahoe's crystalline waters.

KETTLEMAN CITY -- Maria Saucedo cried as she spoke of the two babies she has lost in Kettleman City -- one to birth defects and the other in a miscarriage. There's no proof, but she blames the toxic landscape surrounding her town. She and others who have suffered in Kettleman City say they live in a nasty soup of pollution. They make a compelling case."

"The California Public Utilities Commission held an initial meeting Tuesday in an investigative process that could eventually result in ratepayers getting a refund for a portion of the bills they have paid during the San Onofre nuclear plant's year-long outage."

"A mysterious new virus on the West Coast is believed to be causing fatal brain cancer in raccoons -- an alarming sign given the animals' frequent interactions with humans and the fact that tumors of any type were previously rarely found in the animals."

"RICHMOND, Calif. -- The Chevron refinery’s massive oil storage tanks sit on the hills overlooking this small, impoverished city in San Francisco’s East Bay. Painted earthen red to blend with the natural surroundings, the tanks cannot help dominating the city’s skyline, much the way the oil giant itself has long shaped Richmond’s identity, economy and politics."

"The Environmental Protection Agency has granted California a Clean Air Act waiver allowing the state to set new standards to control emissions of various pollutants, including greenhouse gases, for passenger vehicles through 2025."

"A group of community organizations has sued the Environmental Protection Agency about new rules on pesticide emissions, saying the regulations do too little to protect public health."

"GRANTS PASS, Ore. -- A companion agreement to a historic deal to remove four dams from the Klamath River has been renewed, giving supporters another two years to try to get Congress to pay for the work, officials said Monday."

"LOS BANOS, Calif. — The Morning Star Company’s three plants in California emit roughly 200,000 metric tons of carbon dioxide into the atmosphere each year — about the same amount as the Pacific Island nation of Palau — as they turn tomatoes into ketchup, spaghetti sauce and juice used by millions of consumers around the world."

"California Energy Commission staff on Friday said BrightSource Energy's proposed 500-megawatt Hidden Hills solar thermal power project would have 'significant' impact on the environment."

"After 25 years, the U.S. Fish and Wildlife Service decided to end its program of relocating the mammals, calling the effort a failure. Fishermen complain."

"Wading into one of the hottest environmental debates in the nation, California on Tuesday released its first-ever regulations for hydraulic fracturing, or "fracking," the increasingly common -- and controversial -- practice of freeing oil and gas from rock formations by injecting chemicals under high pressure into the ground."

"SIMI VALLEY, Calif. -- Lingering radioactive contamination exists at a former rocket test lab outside of Los Angeles that was the site of a partial nuclear meltdown, federal environmental regulators said Wednesday."

"About two months after the state's environmental agency ordered a major pet products retailer to immediately cease selling unregistered pesticide products, many of those products remain on the retailer's shelves and website."