| Jan 20, 2014
| 2:19 PM
China’s export industry is responsible for dirty emissions that are blowing across the Pacific Ocean and contributing to smog in the United States, a new scientific study says.
About one-fifth of the pollution China spews into the atmosphere comes...
| Dec 13, 2013
| 12:45 PM
Smog is an irritation for anyone living in Los Angeles, but exactly where in the city you live can make a huge difference in your in your exposure to the tiniest air pollutants, a new study has found.
The study by UCLA researchers compared four Los...
| Nov 13, 2013
| 2:23 PM
Society has slowed down global warming several times over the last century without even trying, new research says.
A study found that the rate of global warming has ratcheted down in response to major world events, including the two world wars, the...
| Aug 5, 2013
| 8:35 PM
After receiving more than 330 complaints about a foul odor wafting across Santa Fe Springs last week, air quality officials said Monday they had pinpointed the smell to increases in the amount of hydrogen sulfide in the air.
"Hydrogen sulfide does...
| Aug 2, 2013
| 12:12 AM
The towers of Century City peek through the murk at 4:15 p.m. in aerial photo looking toward the northwest....
| Oct 23, 2013
| 4:07 PM
Inhalers containing chlorofluorocarbons, or CFCs, will be phased out by the end of the year to comply with international treaties intended to protect the the ozone layer.
The U.S. Food and Drug Administration made the announcement, which is part of an...
| Nov 6, 2013
| 5:00 PM
Reducing air pollution has given an unexpectedly big boost to long-running efforts to clean up the Chesapeake Bay, a new study finds.
Resarchers at the University of Maryland Center for Environmental Science determined that nitrogen pollution in nine...
| Aug 13, 2013
| 1:35 PM
Ambivalence abounds in the nation's major urban centers between June and mid-September, when summer-grade gas returns to filling stations. It's more expensive per gallon and comes at a time when demand, and therefore cost, is already higher — and...
| Oct 2, 2013
| 10:16 AM
Nearly one-fifth of the U.S. population lives near a high-volume road where pollution levels are typically elevated from vehicle exhaust, a new study says.
The analysis found 60 million people living within about one-third of a mile from a busy road. In...
| Sep 12, 2013
| 10:28 AM
Consider this next time you’re sitting in traffic on the freeway: You’re in a zone where air pollution can be five to 10 times higher than in surrounding areas.
Even inside your vehicle, you’re probably breathing in pollutants...
| Dec 30, 2013
| 2:37 PM
Southland residents are barred from burning wood or manufactured logs in their fireplaces from midnight Monday to midnight Tuesday because of elevated “fine particulate levels,” air quality regulators said. The no-burn alert does not apply to...