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PM2.5, O3 pollution associated with development of Alzheimer’s disease; new study identifies evolving axonal damage

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and ozone at or above the current standards have been linked to neuroinflammation and high risk of Alzheimer’s disease (AD). suggesting long-term exposure to PM 2.5 , as well as ozone above the current US EPA standards, are associated with increased risk of Alzheimer’s disease. Exposures to concentrations of PM 2.5 g/m 3 in PM 2.5

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Montana May Adopt California Vehicle GHG Emission Standards

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A bill currently under consideration in the Montana State Senate ( SB 180 ) would establish greenhouse gases as regulated air pollutants under the Clean Air Act of Montana and adopt the California vehicle GHG emission standards (Pavley). Earlier post.).

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Study warns on possible air pollution link to neuroinflammatory, Alzheimer and Parkinson’s pathologies in megacity children

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Children living in polluted megacities are at increased risk for brain inflammation and neurodegenerative changes, including Alzheimer or Parkinson’s disease, according to a study led by University of Montana Professor Dr. Lilian Calderón-Garcidueñas and her colleagues. —Calderón-Garcidueñas et al.

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Study finds children’s exposure to urban air pollution results in early hallmarks of Alzheimer’s

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A study by researchers from the US, Mexico and Canada has found that children’s urban air pollution exposures result in systemic and brain inflammation and the early hallmarks of Alzheimer’s disease (AD). The study found that clinically healthy children who live in a polluted environment and who also carry a gene—the apolipoprotein ?4

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Converting Coal Power Plants to Nuclear Gains Steam

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A specific challenge would-be-conversions must face is that the NRC’s standards—both for atmospheric pollution and for the amount of radiological material a reactor can release—are much tighter than federal standards for coal plants. Even so, it hasn’t attained regulatory approval just yet.

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Study of lead isotopes provides insight into aerosols transport from Asia to US

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About a third of the airborne lead particles collected at two sites in the San Francisco Bay Area came from Asia, a finding that underscores the far-flung impacts of air pollution and heralds a new way to learn more about its journey across vast distances. We can use this information to guide the development of particulate transport models.

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Study identifies Bakken Formation alone as responsible for ~2% of global ethane emissions

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The Bakken Formation, a shale oil and gas field in North Dakota and Montana, is emitting roughly 2% (about 250,000 tons per year) of the globe’s ethane, according to new study led by researchers at the University of Michigan. The paper appears in the journal Geophysical Research Letters. Credit: Lee Murray, NASA GISS/Columbia University.

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