European researchers believe 14 percent of chronic childhood asthma can be blamed on living near busy roads.
A new app from Texas researchers shows how clouds of lung-pummeling ozone move through Houston neighborhoods.
Critics of London Mayor Boris Johnson's ambitious air pollution plan may be missing the bigger picture.
Heart attack survivors are more likely to die over the following years if they live in an area with higher levels of pollution.
Because of global urbanization, the number of people exposed to catastrophic levels of pollution is growing exponentially.
The municipal government can only do so much without support at the national level.
Climate Desk lays out the contents of China's air pollution.
Air pollution has been particularly bad in China this week, with levels nine times above what the U.S. considers "unsafe."
Pollution has reached an all-time high, reminding us that China's economic growth has come at the cost of environmental disaster.
And air quality is only getting worse.
Bicyclists and public-bus commuters in San Diego are exposing themselves to a whole lot of crap in the air, according to new research.
In Several Ways to Die in Mexico City, author Kurt Hollander explores the way a city's air, food, and diseases actually affect us.
Kids who live near busy roads are more likely to develop asthma.
A team of scientists assigned tones to different air pollutants. Here are the results.
How does England's air quality compare to that of past hosts, and could it affect athletes?
Behold, the ultimate in green fashion: a jacket that identifies and cleanses foul air.
These before-and-after graphics show just how severe the problem has become.
Photographs from the 1940s of the Steel City as it began to address its notoriously smoky air.