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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. g/m 3 or less.

Pollution 321
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EPA proposes first US greenhouse gas emissions standards for aircraft

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The US Environmental Protection Agency (EPA) proposed greenhouse gas (GHG) emissions standards for airplanes used in commercial aviation and large business jets. The new international Airplane CO 2 Emission Standards adopted by ICAO in 2017 are prescribed in ICAO Annex 16, Volume III titled, Aeroplane CO 2 Emissions.

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EPA seeks input on Phase 3 GHG standard rulemaking for heavy-duty engines and vehicles

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The Phase 1 rule created a new certification and compliance program based on the computer simulation of vehicle CO 2 emissions and fuel efficiency rather than emissions and fuel efficiency testing, set performance-based standards, and adopted interim provisions to address impacts on small businesses.

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California ARB developing Clean Miles Standard for ridesharing companies

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With the enactment of SB 1014 ( earlier post )—the Clean Miles Standard and Incentive Program—the California Air Resources Board (CARB) and the California Public Utilities Commission (CPUC) is to develop and to implement new requirements for transportation network companies (TNCs)—i.e.,

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Team finds high concentrations of combustion- and friction-derived magnetic air pollution nanoparticles in human hearts in Mexico City

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A 2016 study by Professor Maher and colleagues found abundant magnetite nanoparticles in brain tissue; magnetite is toxic and has been implicated in the production of reactive oxygen species (free radicals) in the human brain, which are associated with neurodegenerative diseases including Alzheimer’s disease. Cross, Imad A.M. 2019.108567.

Pollution 236
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Study: more stringent O3 and PM2.5 air pollution standards could save thousands of lives, greatly improve public health

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In “Estimated Excess Morbidity and Mortality Caused by Air Pollution above ATS Recommended Standards, 2011-2013,” published online in the August edition of Annals of the American Thoracic Society , researchers report on the annual health benefits of meeting more protective standards recommended by the ATS for O 3 and PM 2.5.

Pollution 150
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CARB to consider low NOx heavy-duty omnibus regulation on 27 August

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The proposed regulation is intended to ensure reductions in smog-forming NO x and protect communities most impacted by air pollution. Highlights of the regulation include: Lower NO x and PM emission standards on existing regulatory cycles as well as a new NO x standard on a new low-load certification cycle.

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