Related topics: air pollution

US gains in air quality are slowing down

After decades of progress in cleaning up air quality, U.S. improvements for two key air pollutants have slowed significantly in recent years, new research concludes. The unexpected finding indicates that it may be more difficult ...

Plan to reduce air pollution chokes in Mexico City

Decades ago Mexico City's air pollution was so poor, birds would fall out of the sky—dead. Locals said living there was like smoking two packs of cigarettes a day, according to one report. In response, Mexico City took ...

What factors are influencing electric vehicle purchases in China?

Many Chinese cities are suffering from deteriorating environmental quality—particularly due to air pollution that contributes to fog and haze. Air pollutant levels now far exceed "safe" limits established by the European ...

China 'exporting' ozone pollution to US, study says

Progress slashing unhealthy ozone in the western United States has been largely undone by pollution wafting across the Pacific from China, according to a study published Monday.

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