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

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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. million deaths per year globally.

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Study finds significant link between PM2.5 pollution and neurological disorders in US

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pollution was significantly associated with an increased risk of hospital admissions for several neurological disorders, including Parkinson’s disease, Alzheimer’s disease, and other dementias, in a long-term study of more than 63 million older US adults, led by researchers at Harvard T.H. Chan School of Public Health.

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International Maritime Organization (IMO) adopts revised strategy to reduce GHG emissions from international shipping.

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Member States of the International Maritime Organization (IMO), meeting at the Marine Environment Protection Committee (MEPC 80) earlier this month, adopted the 2023 IMO Strategy on Reduction of GHG Emissions from Ships.

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Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

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A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. —Platt et al. Platt et al.

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Pollutant emitted by biomass burning found to cause DNA damage and lung cell death; the role of retene

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A new study by a team from Brazil, with colleagues in the US, has shown that particulate pollution biomass burning in the Amazon induced inflammation, oxidative stress and severe DNA damage in human lung cells. After 72 hours of exposure, more than 30% of the cultured cells are dead, the researchers found.

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WHO: 9 out of 10 people worldwide breathe polluted air; 7M deaths per year

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New data from the World Health Organization (WHO) shows that 9 out of 10 people breathe air containing high levels of pollutants. Updated estimations reveal a death toll of 7 million people every year caused by ambient (outdoor) and household air pollution. Ambient air pollution alone caused some 4.2 g/m 3 (for PM 2.5 ).

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WHO: Air pollution levels rising in many of the world’s poorest cities

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More than 80% of people living in urban areas that monitor air pollution are exposed to air quality levels that exceed World Health Organization (WHO) limits, according to the organization. Global urban air pollution trends. PM 10 and PM 2.5 Data was then analysed to develop regional trends.

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