"Lyell Glacier has shrunk 62% over the past century and hasn't moved in years. It's a key source of water in the park, and scientists say it will be gone in 20 years."

Residents of a largely Latino San Diego neighborhood have three times the chance of having asthma.

"SAN JOSE -- Anticipating a cleanup cost estimated as high as $1.6 billion, local governments from across California made their final legal pitch Monday to hold the paint industry accountable for allegedly threatening children's health by spreading toxic lead paint through tens of thousands of homes."

"Monic Uriarte says she began having headaches and bouts of dizziness three years ago, about the time she and her neighbors began smelling a chemical odor on the streets and in their homes."

"STANISLAUS NATIONAL FOREST -- Perched atop a charred ridge, scientist Brad Rust stares at a tiny bead of water -- which sits, motionless, glistening like a perfect pearl in a sea of ash."

"Truckers want tougher enforcement and point to competitors who violate state rules to install filters or upgrade to cleaner engines."

"California legislation that orders the first-ever state oversight of hydraulic fracturing neared final passage yesterday, even after nearly all environmental groups dropped their support."

"FRESNO, Calif. -- The annual rate of hospitalizations for valley fever, a potentially lethal but often misdiagnosed disease, has doubled over the past 12 years in California, according to a study published on Wednesday by the Centers for Disease Control and Prevention."

"FRESNO, Calif. -- For decades, this city in California's agricultural heartland relied exclusively on cheap, plentiful groundwater and pumped increasingly larger amounts from an aquifer as its population grew."