Neighborhood residents already suffer from high rates of asthma, heart and lung disease, and cancer.
Yosemite opens the high-country highway, the third-earliest date traffic has resumed on the route.
State officials say water supply in mountains is just 18 percent of average for the date.
The state passes a dramatic and worrisome milestone.
Now you can easily figure out the impact that pollution is having on your neighborhood or workplace.
Following the ups and downs of a key state reservoir and what they mean for the drought water supply.
Power companies will be paying $750 million in rebates to consumers under cap-and-trade program.