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

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In the report, the investigators describe the development of new exposure models for all of Europe for four pollutants: fine particulate matter (PM 2.5 ), black carbon (BC), nitrogen dioxide (NO 2 ), and ozone (O 3 ), as well as PM 2.5 particle composition. Initial results were published in 2019 and Phase 2 results are under review.

Pollution 313
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EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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The US Environmental Protection Agency (EPA) has submitted its final Report to Congress on Black Carbon , in response to an October 2009 request from Congress to advance efforts to understand the role of black carbon (BC) in climate change. —Report to Congress on Black Carbon. Report to Congress on Black Carbon.

Congress 252
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New international Climate and Clean Air Coalition to focus on reduction of short-lived climate pollutants

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The coalition will focus efforts on reducing black carbon, hydrofluorocarbons (HFCs), and methane. The founding coalition partners are Bangladesh, Canada, Ghana, Mexico, Sweden, and the United States, together with the UN Environment Programme (UNEP). Earlier post.). The secretariat will be hosted by UNEP. Earlier post.).

Climate 210
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Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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Although it is not yet clear which specific pollutant within the traffic-related air pollution mixture is the source of asthma development, reviews by the US Environmental Protection Agency and Health Canada suggest that a causal relationship is likely to exist between long-term nitrogen dioxide (NO 2 ) exposure and childhood asthma development.

Pollution 360
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Study Finds Asian Monsoon Carries Pollution Into the Stratosphere

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Those vertical movements provide a pathway for black carbon, sulfur dioxide, nitrogen oxides, and other pollutants to ascend into the stratosphere, about 20-25 miles above the Earth’s surface. This could explain satellite measurements showing high levels of stratospheric ozone, water vapor and other chemicals over Asia during summer.

Pollution 246
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MIT researchers improve upon methods to model urban air pollution

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It was determined that the deviations between the metamodel and the parent mode for many important species (O 3 , CO, NO x , and black carbon (BC)) were found to have a weighted RMS [root mean square] error less than 10% in all cases, with many of the specific cases having a weighted RMS error less than 1%. —Jason Cohen. Cohen, J.B.,

MIT 199
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ICCT finds growth in shipping in Arctic could increase pollutant emissions 150-600% by 2025 with current fuels

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While that report projected vessel activity, it did not explore the environmental impacts of increased shipping in terms of air emissions or the potential climate impacts from increases in short-lived climate pollutants such as black carbon. Comparison of the potential reduction in emissions with the application of lower sulfur 0.5%

Pollution 150