September 18, 2013, 1pm PDT
As China's hazardous environment becomes a "potent political issue", the central government has released a detailed plan that aims to clean up the country's abysmal air pollution.
September 12, 2013, 10am PDT
Call it the law of unintended consequences. Alerts of "bad air days" that ask motorists in the Wasatch Front to reduce driving had the opposite effect, prompting some residents to drive away from lowlands to the mountains where air may be healthier.
September 3, 2013, 11am PDT
An MIT study finds 200,000 early deaths per year in U.S. are attributed to air pollution. The biggest source is vehicle tailpipes at 53,000. Most impacted state: California; most impacted city: Baltimore.
August 26, 2013, 1pm PDT
With evidence on the harmful health impacts of vehicle emissions increasing, the EPA will begin monitoring pollution levels adjacent to freeways in Los Angeles and more than 100 of America's biggest cities. Experts say the action is long overdue.
July 18, 2013, 10am PDT
An NAS study released July 08 shows that if you live in north of the Huai River in China, you can expect to live about 5.5 years less than those to the south. Air pollution, specifically particulate matter from burning coal, is the primary culprit.
July 15, 2013, 7am PDT
A new study published in the journal Environmental Pollution makes the first conclusive case for the ability of urban foliage to reduce fine particle pollution, reducing breathing problems and saving lives in the process.
June 21, 2013, 8am PDT
This toxic emission is not only a threat to public health but also the second largest contributor to global warming, according to CARB. A new study has found that regulations to reduce diesel emissions fight both climate change and air pollution.
June 20, 2013, 12pm PDT
Asthma, cancer...autism. If you need yet another reason to abhor vehicle emissions and air pollution see a new report published in Environmental Health Perspectives which links in utero exposure to air pollutants to an increased risk of autism.
May 2, 2013, 5am PDT
The UK's supreme court ruled this week that the government has failed to live up to its legal obligation to curb air pollution, in breach of an EU air quality directive.
April 25, 2013, 11am PDT
Despite better news all around for the quality of the air in America's urban environs, there is still much work to be done, especially for those making the American Lung Association's annual survey of the country's most polluted cities.
April 24, 2013, 7am PDT
While the news has been full of warnings about the rapidly deteriorating air quality of cities in the developing world, David Agren examines how one megacity has managed to drastically clean its polluted air over the past twenty years.
The Christian Science Monitor
April 23, 2013, 9am PDT
Chronic coughs, stuffy noses, and face masks whenever you venture outside. Edward Wong looks at the "hell" that is childhood in China's polluted cities, which is forcing some affluent families to leave, and giving foreigners pause before entering.
April 3, 2013, 9am PDT
New details from a landmark study on the leading causes of death worldwide presents a gloomy picture of the effect of air pollution on the health of China's residents. The toll is 25 million healthy years of life snatched from the population.
March 26, 2013, 11am PDT
While pollution from vehicle exhausts has been known for some time to exacerbate the symptoms of asthma, a new study published in the European Respiratory Journal establishes for the first time the direct causal link between the two.
March 23, 2013, 7am PDT
Pollution is a growing problem throughout China - one that even tight-lipped public officials have been forced to acknowledge. But conflicting government interests - between state-run polluters and concerned policy-makers - are holding back fixes.
March 22, 2013, 5am PDT
Air pollution is second only to smoking as a cause of premature death in Britain. So why haven't the country's leaders taken action to address the problem?
February 25, 2013, 12pm PST
For a state that prides itself on being a nature lovers' paradise, a growing struggle with hazardous air pollution threatens Utah's very identity. Dan Frosch examines the factors contributing to the epidemic, and some of the proposed solutions.
February 21, 2013, 1pm PST
Part of a larger strategy to address its numerous environmental ills, the world's largest emitter of greenhouse gases will begin taxing carbon emissions, possibly as early as 2015.
January 15, 2013, 7am PST
In Beijing, the level of air pollution is the highest the monitors at the U.S. embassy have ever recorded since put in place in 2008. The pollution results from a combination of weather conditions and particulate matter - most from coal burning.
The New York Times - Environment
January 8, 2013, 7am PST
Cold air and windless days have trapped the fumes from millions of cars and hundreds of old factories in Tehran. The air pollution has reached such high levels that officials are advising residents to remain indoors and to avoid downtown areas.