Researchers at the Primate Research Center in Davis examined three-year-old rhesus monkeys that had been exposed as newborns to high levels of air pollution caused by wildfires burning around Northern California in 2008. The study shows that the monkeys, who were living outdoors at the time of the fires, were less able to fight off infectious diseases than animals born after the fires.
Lung development in rhesus monkeys and humans is very similar. The study is the first to show that particulate matter has a direct impact on primate immune system function.
The research suggests that exposure to particulates early in life could result in decreased lung capacity and lowered immunity persisting into adulthood.
Legislation introduced in the California state Assembly would create the Lower American River Conservancy to improve, protect, preserve and possibly expand the 5,000-acre American River Parkway.
Film makers and environmental activists are set to arrive in Nevada City and Grass Valley this week for the 14th annual Wild & Scenic Film Festival.
Record rainfall in parts of California, fueled in part by El Niño, won't end the state's historic four-year drought.
The Nevada city of Sparks has decided to stop trapping and killing beavers along the North Truckee Drain and seek a non-lethal alternative to remove them.
A movement around the U.S. encourages people to skip the shopping malls Friday and spend time in nature. Some national parks and state parks in California are waiving entry fees.