How Much Has California's War on Air Pollution Reduced Asthma Rates?
Los Angeles used to be one of the most polluted cities on the planet. After decades of improvements, pollution levels are ticking up again.
Viewfinder: Mexico City Declares an Environmental Alert as Smog Reaches Dangerous Levels
Two women wear face masks on May 16th, 2019, in Mexico City, Mexico.
Silent Killer: In London, Air Pollution Has Become a Matter of Life and Death
According to researchers, air pollution kills thousands in the city every year.
Two Attorneys General Sue the EPA Over Smog Blowing in From Other States
The suit claims that sources of air pollution located within Illinois, Michigan, Pennsylvania, Virginia, and West Virginia are contributing to smog in New York and Connecticut.
The Causes of Violent Crime Are Blowing in the Wind
Serious crimes are more likely to occur in neighborhoods downwind of air pollution, according to a new study.