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HEI study in Europe finds evidence of health effects at lower levels of air pollution

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A major new Health Effects Institute (HEI) report presents a study examining associations between exposures to relatively low levels of air pollution and several health outcomes among participants in 22 European cohorts. particle composition. Brunekreef B, Strak M, Chen J, Andersen ZJ, Atkinson R, Bauwelinck M, et al.

Pollution 313
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EPA proposes new heavy-duty truck emissions rules

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The US Environmental Protection Agency (EPA) is proposing new, stronger standards to promote clean air and reduce pollution from heavy-duty vehicles and engines starting in model year (MY) 2027. In 2045, the proposed Option 1 would result in total annual monetized ozone- and PM 2.5

EPA 434
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Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH). —Susan Anenberg.

Pollution 360
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Study finds modifying urban form may be a strategy to reduce air pollution

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Based on their findings in a new study, researchers from the University of Washington and the University of Minnesota suggest that modifying urban form—as a means of affecting motor vehicle usage—may be a strategy to mitigate urban air pollution. is attributable to motor vehicles. —Bechle et al.

Pollution 231
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EPA proposes approval of new ozone plans for the two of the worst Air Quality Zones in US: California’s San Joaquin Valley and South Coast

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US EPA Region 9 8-hour ozone trends, 1979-2000. These State Implementation Plans (SIPs) are the roadmaps to meeting the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) of 0.08 In 1997, EPA first established the 8-hour ozone standard, which replaced the older 1-hour ozone standard (0.12 Source: EPA.

Ozone 236
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HEI launches two new non-tailpipe particulate emission studies

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However, emissions from the use and wear of brakes, tires, and other non-tailpipe sources are gaining interest from researchers and regulators because non-tailpipe sources now contribute a higher fraction of the particulate emissions from motor vehicles. 10 ) of urban air, a fraction known to be enriched with non-tailpipe constituents.

Emissions 353
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World Bank to focus on reducing short-lived climate pollutants; transport projects

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A new report prepared by the World Bank at the request of the G8 identifies ways that the World Bank can do more through its projects to reduce the emission of short-lived climate pollutants (SLCPs): black carbon, methane, tropospheric ozone, and fluorinated gases known as HFCs. —Akbar et al. degrees Celsius.

Pollution 210