Category Archives: USA & Canada

When air pollution is bad, know how to protect yourself 

There are steps we can take to protect ourselves and our families from air pollution, which has well-documented negative consequences for childhood asthma, birth outcomes, pregnancy risks, cardiovascular health, and other diseases. The World Health Organization reported this month that … Continue reading

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Here are some of the world’s worst cities for air quality 

Trying to get away from airborne ammonia? Don’t linger in Lagos or Delhi. If you’re bent on avoiding ozone, you might want to add Beijing, Karachi, and Los Angeles to your list. These are some of the cities with the … Continue reading

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Winter ozone problem returns to western Wyoming gas fields

Itchy eyes and scratchy throats blamed on high levels of wintertime ozone have returned to western Wyoming’s gas patch for the first time in six years, and so too has finger-pointing over who’s responsible for fouling the air. The ozone … Continue reading

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London’s quality of life ranking slips over pollution and traffic 

London has slipped down a list of the best cities in the world for quality of life due to high levels of traffic and pollution. The capital placed 40th in the 19th annual Mercer Quality of Life Survey. London was … Continue reading

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The Moss That Saved Portland 

Roadside plants helped officials trace the source of a public health crisis and led to new standards for clean air in Oregon. Orthotrichum lyellii is the hero of this story. You’ve probably met it before: a tuft of green with … Continue reading

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Asian smog pollutes the United States, study finds 

Despite a decrease in US air pollution production, smog levels are still on the rise in the western part of the country, and now new research has found that an influx of impurities originating from Asia has been making its … Continue reading

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All of That Pollution In Asia Turns Into Smog In the U.S.

New research has found that the United States’ reductions in air pollution have been stymied by the exponential increase of pollutants coming from Asia. As long as you don’t like breathing, that’ll be no big deal. The smog in Los … Continue reading

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Children at Nearly 8,000 U.S. Public Schools Breathe Highly Polluted Air 

Roughly one in every 11 public schools in the U.S. sits within 500 feet of highways and other heavily trafficked roads, exposing 4.4 million students to high levels of toxic air pollution. The data is the result of a new … Continue reading

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