Category Archives: USA

Exposure to pollution has long-term effect on multiple generations

When severe forest fires last year blanketed Oregon and California with a thick layer of smoke, the high concentrations of fine particulate matter spewed into the air created one of the worst air pollution events in recent history. A large … Continue reading

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Air pollution: The silent killer called PM2.5

Over half the world’s population lives without the protection of proper air quality standards Millions of people die prematurely every year from diseases and cancer caused by air pollution. The first line of defence against this carnage is ambient air … Continue reading

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California’s wildfire smoke could be more harmful than vehicle emissions, study says

Toxic particles spewed by wildfires resulted in 10 times as many respiratory-illness related hospitalizations as other types of pollution, researchers found The thick, grey wildfire smoke that shrouds California each autumn and winter could be more harmful to humans than … Continue reading

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How outdoor pollution affects indoor air quality

Wildfire and firework smoke more impactful than inversions Just when you thought you could head indoors to be safe from the air pollution that plagues the Salt Lake Valley, new research shows that elevated air pollution events, like horror movie … Continue reading

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Pollen season grows 20 days in 30 years as climate crisis hits hay fever sufferers

Pollen released by plants is also more intense than in 1990 in bad news for those with allergies, research in US and Canada finds The climate crisis is multiplying the miseries faced by people with allergies, with new research finding … Continue reading

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Air pollution from fossil fuels responsible for ‘one in five deaths worldwide’

Number of deaths connected to fine particulate matter from fossil fuel burning could be twice as high as previously thought, research says Air pollution from fossil fuels could account for nearly one in five deaths globally, a new study suggests. … Continue reading

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Researchers say wildfire smoke is reversing years of air pollution progress

Record-setting wildfires are becoming a regular occurrence in the Western United States. It’s a sobering trend that poses a threat to people across the country, as hazardous smoke pollutes the air. “Fires burn in California, or in Nevada and Arizona, … Continue reading

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Wildfires Caused Half Of Western America’s Pollution: Study

Even as pollution emissions declined from other sources including vehicle exhaust and power plants, the amount from fires increased sharply. Wildfire smoke accounted for up to half of all health-damaging small particle air pollution in the western U.S. in recent … Continue reading

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