| Jul 28, 2014
| 8:18 PM
When federal leaders in Washington needed new ideas for slashing vehicle pollution, they looked west to California, which had already enacted tighter standards.
Now Gov. Jerry Brown said he hopes Mexico takes the same approach to combating climate...
| 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...
| Sep 22, 2014
| 11:42 AM
Smoke from wildfires raging in Northern California has reached far beyond the state's borders to affect Utah, Michigan and even Canada, according to NASA.
The fires, including the massive King fire in Eldorado National Forest, have been sending large...
| Sep 21, 2014
| 2:07 PM
Gov. Jerry Brown signed a package of bills Sunday boosting the state's market for electric cars, including a measure to make such vehicles more affordable for low-income residents.
That bill, the Charge Ahead California Initiative by Sen. Kevin de...
| Sep 23, 2014
| 12:11 PM
Potentially hazardous smoke from the stubborn fire at the Port of Los Angeles prompted air quality advisories and the evacuation of one elementary school Tuesday.
Firefighters have been struggling to extinguish the blaze, which was contained but had...
| Sep 24, 2014
| 7:57 AM
The Port of Los Angeles fire that sent a thick plume of toxic smoke into the air Tuesday, forcing a nearby elementary school to evacuate, has been fully extinguished, officials said Wednesday.
Crews will now begin the process of demolition and cleanup...
| Aug 15, 2014
| 12:23 PM
One of only 75 highly specialized air monitors in America is being built in Davie to pick up trace level concentrations of air pollutants.
One of only 75 highly specialized air monitors in America is being built in Davie to pick up trace level...
| 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....
| Aug 5, 2014
A national epidemic has come to Florida. It is a silent threat, growing every day. Pollution contaminates our waters, poisons our fish and wildlife and increases our risk of cancer and other diseases.
The culprit is coal ash, and here in Florida we...
| Sep 22, 2014
| 8:15 AM
The Maryland Department of the Environment recently revealed a draft rule that would finally require coal-powered plants in the Baltimore-Washington region to reduce nitrogen oxide emissions by 48 percent over the next four years ("New coal plant...
| Aug 4, 2014
| 3:31 PM
Eight Democratic members of Maryland's congressional delegation wrote President Obama Monday urging him to reconsider his administration's plan to allow seismic testing for oil and gas off the mid-Atlantic coast.
In a jointly signed letter, the eight...