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Study: air pollution caused 1.1M deaths across Africa in 2019, toll from outdoor pollution rising

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Air pollution was responsible for 1.1 Air pollution was responsible for 1.1 Deaths attributable to household air pollution and ambient particulate matter (PM 2.5 ) air pollution in Ethiopia, Ghana, Rwanda, and overall in Africa, 1990–2019. The most disturbing finding was the increase in deaths from ambient air pollution.

Africa 397
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Researchers use satellite data to show vehicles are an under-recognized source of urban ammonia pollution

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Researchers now report in ACS’ Environmental Science & Technology Letters that satellite data from before and during the spring 2020 lockdown in Los Angeles shows that vehicles, rather than agriculture, are the main source of urban airborne ammonia (NH 3 ), which forms small particles that contribute to air pollution and harm human health.

Pollution 321
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Study finds changes in air pollution due to EV adoption are not distributed equally

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A team of researchers from the University of California, Berkeley; University of North Carolina, Chapel Hill; and University of Miami has analyzed the implications of California’s Clean Vehicle Rebate Project (CVRP) for emissions of greenhouse gases and criteria air pollutants, both in aggregate and in their distribution.

Pollution 307
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Surrey study investigates effect of group cycling on exposure to pollutants

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In an open access paper in the Journal of Wind Engineering and Industrial Aerodynamics , researchers at the University of Surrey (UK) have investigated the effect of group riding on cyclists’ exposure to vehicle pollutants. —Schmeer et al. 2023.105333

Pollution 199
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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

Pollution 468
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Resource Watch releases new data-driven Air Quality Dashboard

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Resource Watch has introduced a new data-driven Air Quality Dashboard featuring the latest maps and data visualizations on the state of the world’s air. Resource Watch worked with WRI Ross Center for Sustainable Cities to create this resource for data on air quality and emissions. Resource Watch is currently in Beta.

Pollution 259
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Emissions Analytics finds pollution from tire wear can be 1,000x worse than exhaust emissions

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Pollution from tire wear can be 1,000 times worse than a car’s exhaust emissions, Emissions Analytics has found. Emissions Analytics is an independent global testing and data specialist for the scientific measurement of real-world emissions and fuel efficiency for passenger and commercial vehicles and non-road mobile machinery.

Exhaust 537