For the second year in a row, Southern California has topped the list for the most polluted air in the country, according to a new report released Wednesday.
A UCLA study released Tuesday found that while Los Angeles County’s air quality has gotten nominally better, the area’s groundwater and stormwater have excessive levels of pollution.
The embattled Exide battery recycling plant in Vernon will immediately and permanently shut down in exchange for avoiding criminal charges.
Smog-covered mountains, gritty sidewalks, smelly fumes from traffic-choked freeways. Los Angeles was a tough place to breathe several decades ago but a study shows how much that has changed, especially for the region’s youngest residents.
A new study by the U.S. Geological Survey says more data is needed to be able to say for sure if a link exists between unconventional oil and gas development and degraded water quality.
Local water experts have a plan to address chloride discharge from sewage plants in Stevenson Ranch, involving a deep-well injection system.
One of California’s most powerful lawmakers is demanding action after documents were uncovered detailing trucks leaving toxic waste on Southern California freeways.
James Pitts, a pioneering smog researcher whose work spurred California’s ground-breaking clean-air regulations, has died. He was 93.
The states represent about 23 percent of the U.S. auto market.
Residents near Los Angeles International Airport (LAX) are exposed to the same amount of toxic chemicals in the air as is found in hundreds of miles of freeway traffic, researchers said Thursday.
Los Angeles County beaches lead the state in poor water quality, according to Heal the Bay’s 24th annual Beach Report Card.
Community members and elected officials from across Los Angeles and Riverside held a rally Monday calling for statewide action to address chronic polluters.
Researchers say pregnant women living near freeways or other places with high concentrations of air pollution may be at greater risk of delivering a baby with a smaller head.
A new study shows that cooking with a gas stove could be contributing to “indoor” air pollution.
Elected officials from several SoCal cities rallied Friday to demand “immediate accountability” for a Vernon battery manufacturer accused of polluting local neighborhoods.