| Nov 26, 2014
| 4:50 PM
The Obama administration's long-awaited announcement Wednesday that it wants to toughen limits on smog-forming ozone immediately generated questions about whether the plan can survive the current political climate and how much its cost will factor in...
| Nov 25, 2014
| 7:13 PM
After years of inaction, the Obama administration is expected to propose tougher limits on smog Wednesday, according to people with knowledge of the rule-making effort. The new rule would be a major victory for public health groups, but it is sure to...
| Nov 26, 2014
| 5:22 AM
The Environmental Protection Agency is proposing more stringent air quality standards for ground-level ozone, the main culprit in smog, the agency's chief said Wednesday.
Under deadline to release its proposal by Monday, the agency said it will seek a...
| Nov 24, 2014
| 12:50 PM
No one should have to choose between their health and a paycheck. Which is why, with all that is still unknown about the dangers of e-cigarette use, we must put public health first and prohibit the use of these unregulated products in all workplaces,...
| Nov 20, 2014
| 4:00 AM
For millions of Chinese, China's air pollution crisis has made donning a mask as reflexive as reaching for an umbrella when it rains. The country sees heavy pollution so frequently that weather forecasts have a special symbol for "haze." But nothing can...
| Nov 19, 2014
| 11:40 AM
Notoriously smoggy Beijing got a breath of fresh air during the Asia-Pacific Economic Cooperation summit last week thanks in part to factory closures in neighboring Hebei province. Now, a new plan announced by the local government might help make those...
| Nov 14, 2014
| 10:39 PM
Los Angeles ended a bitter dispute with Owens Valley on Friday with the announcement of a truce in a decades-long dispute over water and dust.
Under an agreement between the city and Owens Valley air quality regulators, Los Angeles will use a new,...
| Nov 14, 2014
| 5:25 PM
Potentially harmful diesel emissions from Metrolink's maintenance facility near downtown Los Angeles are in decline and lower than other air pollution sources in the area, according to a study released Friday.
The health risk assessment, which was...
| Oct 10, 2014
| 3:04 AM
The first “airpocalypse” of fall hit Beijing this week, but local residents are not the only ones being forced to deal with the smothering smog blanketing the Chinese capital. World-class cyclists and soccer stars from Argentina and Brazil, as...
| Oct 7, 2014
| 11:22 AM
Set your alarm clocks, sky watchers! There's a lunar eclipse coming tonight and you don't want to miss it.
The great news is that the full eclipse will be visible for those of us who live in the western United States. The bad news is we'll have to be...
| Nov 12, 2014
| 4:36 PM
The newly announced landmark plans by the U.S. and China to limit their greenhouse gas emissions left open the question of how realistic the targets are. The plans feature a number of ambitious goals for each nation, but they face serious challenges. A...