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Study finds coal trains add significant amount of PM2.5 pollution in urban areas

Green Car Congress

Coal trains and terminal operations add a significant amount of fine particulate matter (PM 2.5 ) pollution to urban areas—more so than other freight or passenger trains— according to a study conducted in Richmond, California, by the University of California, Davis.

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

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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. Two-thirds of pediatric asthma cases linked to air pollution in cities. million excess deaths attributable to PM 2.5

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EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

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The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards.

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International travelers experience adverse cardiopulmonary health effects even after short stay in polluted cities

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For travelers who visit cities with high levels of air pollution, even a short stay leads to breathing problems that can take at least a week from which to recove, a new study led by researchers at NYU School of Medicine finds. Researchers then compared the health data against levels of air pollution collected from local government agencies.

Pollution 316
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Study: plant roadside hedges rather than trees to combat near-road pollution

Green Car Congress

Urban planners should plant hedges—or a combination of trees with hedges—rather than just relying on roadside trees if they are most effectively to reduce pollution exposure from cars in near-road environments, according to a new study from the University of Surrey. The best way to tackle pollution is to control it at the source.

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CARB approves updated “At-Berth” regulation, expanding efforts to cut pollution from ships in California ports

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The California Air Resources Board approved a new regulation designed to reduce pollution further from ocean-going vessels while docked at California’s busiest ports. The rule builds on progress achieved by the At-Berth Regulation adopted in 2007.

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Study finds NSAIDs may lessen air pollution effects on lung function

Green Car Congress

A new study is the first to report evidence that nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin may lessen the adverse effects of air pollution exposure on lung function. While the mechanism is unknown, the researchers speculate that NSAIDs mitigate inflammation brought about by air pollution. 201905-1003LE.

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