| Aug 18, 2014
| 9:00 PM
Summer heat hasn't begun to wane, and neither have those familiar "bad air day" warnings.
They are all too common in cities like Los Angeles, Houston, Pittsburgh and Washington, D.C., where high temperatures cause ozone to reach unhealthy levels....
| Sep 10, 2014
| 5:00 AM
How does a normal day in Beijing compare with one in Los Angeles?
The answer, it turns out, is both simple and complex.
Los Angeles' skies are among the most foul in the United States: In the American Lung Assn.'s 2014 national State of the Air...
| Jul 14, 2014
| 5:20 AM
If you live in a region with lots of air pollution, you might not always breathe easy. So it might help to sit back, relax and enjoy a helping or two of broccoli.
Better yet, have a stiff cup of broccoli-sprout tea.
It might not be the advice you expect...
| Jul 14, 2014
| 10:00 PM
Writing letters since: 2004
Life story in 100 words or less: Grew up in Chicago with parents, brother and two sisters. Graduated from Chicago WillibrordÖ Catholic High School; attended Southeast Junior College in Chicago then the University of...
| Jul 21, 2014
| 10:23 AM
If the predicted high for Tuesday reaches its mark, it would be just the third 90-degree day this year in Chicago.
Meteorologists say this summer has been relatively cool. From 1981 to 2010, Chicago summers have had an average of 14 90-degree days, said...
| Jul 11, 2014
| 7:00 AM
While Maryland is well positioned for complying with Environmental Protection Agency's preliminary carbon regulations, mandating a 30 percent nationwide reduction in CO2 emissions from power plants by 2030, those proposed regulations by themselves will do...
| Jul 8, 2014
| 7:21 PM
Air quality regulators have reached an agreement with Exide Technologies that would bar its battery recycling plant in Vernon from resuming operations until it installs new controls on arsenic emissions that pose a health risk to surrounding communities....
| Jul 10, 2014
| 8:31 PM
Air quality officials are giving a battery recycling plant in Vernon another chance to prove it can operate without putting nearby residents at risk.
Despite demands from community groups calling for permanent closure of the Exide Technologies plant,...
| Jun 24, 2014
| 4:21 PM
The owner of a planned power plant in Fairfield faces millions of dollars in fines and has been ordered to halt construction because company officials didn't buy enough emissions credits to offset air pollution the facility is expected to emit,...
| Jun 25, 2014
| 2:42 PM
James Pitts, an influential smog researcher whose work was used to craft California's pioneering air quality regulations, has died. He was 93.
Pitts died in his sleep of natural causes at his Irvine home on June 19, according to his wife, Barbara...
| Jun 27, 2014
| 7:51 PM
A committee of scientific advisors has urged the U.S. Environmental Protection Agency to adopt a tougher federal standard for ozone, saying current limits on the lung-damaging pollutant fail to protect public health.
A letter sent Thursday by the EPA-...