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Modeling study suggests 1.8M excess deaths attributable to urban air pollution in 2019

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A new modeling study led by researchers from George Washington Universit (GWU) finds that 86% of people living in cities worldwide (~2.5 A second study, also led by the GWU researchers, finds that nearly 2 million cases of asthma in children are linked to traffic-related nitrogen dioxide air pollution, with two in three occurring in cities.

Pollution 468
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Study finds lead from leaded gasoline persists in London air despite ‘90s ban

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The study, led by researchers from Imperial College London, found that up to 40% of lead in airborne particles today comes from the legacy of leaded gasoline. The researchers in this study measured lead concentrations of 8 ng/m 3 of air on average during the summer 2018 at Marylebone road. —Senior author Professor Dominik Weiss.

London 295
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Study: 15% of US alcohol-related motor vehicle fatalities involve alcohol under the legal limit

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A new open-access study in the American Journal of Preventive Medicine found that motor vehicle crashes involving drivers with blood alcohol concentrations (BACs) below the legal limit of 0.08% accounted for 15% of alcohol-involved crash deaths in the United States. Lira et al. —lead investigator Timothy S.

Legal 221
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Study associates long-term exposure to air pollution with increasing emphysema

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Long-term exposure to ambient air pollutants, especially O 3 (ozone), is significantly associated with increasing emphysema, according to a new study led by the University of Washington, Columbia University and the University at Buffalo. The annual averages of ozone levels in study areas were between about 10 and 25 ppb.

Pollution 223
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Study finds that replacing older, highly polluting school buses could lead to 1.3 million fewer daily absences annually

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million fewer daily absences annually, according to a University of Michigan study. Over time, exposure can exacerbate respiratory illnesses and other conditions and lead to missed school days, say the researchers on the open-access study, which appears in the journal, Nature Sustainability. The program is ongoing.

Pollution 170
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China-based study concludes using political incentives to fight pollution is costly and inefficient

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A new study shows that this well-intentioned centralized system of regulating may be ineffective in reaching national goals. —co-author Guojun He, research director at the Energy Policy Institute at the University of Chicago in China (EPIC China) and a professor at the Hong Kong University of Science and Technology.

Pollution 220
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Study: tightening vehicle emissions standards resulted in higher rates of automaker non-compliance; unintended effects of threshold-based regulations

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A new study focused on the auto industry finds that tightening emissions standards not only fails to curtail on-road emissions, but actually increases the likelihood of non-compliance by automakers. The authors urge policymakers and managers across industries to take note of their study. —Hu et al.

Standards 186