air pollution n.
Contamination of air by smoke and harmful gases, mainly oxides of carbon, sulfur, and nitrogen.
air pollution gets worse during drought; in California the problem is soot, and in Texas it was ozone.
If you can photograph your air pollution - you have a serious problem.
One of the things that surprised me in our study is the important role of air pollution.
That is a lot of air pollution, noise, and yet more kicking up of dust.
Environmentalists warn that public awareness and frustration about air pollution is growing, as are the risks to Chinese health.
This means they must cope with air pollution, low levels of oxygen, and high levels of methane and carbon dioxide.
I have sent you Clear Skies legislation that mandates a 70 percent cut in air pollution from power plants over the next 15 years.
I have sent you Clear Skies legislation that mandates a 70-percent cut in air pollution from power plants over the next 15 years.