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Columbia team organizes available scientific evidence on the effects of air pollution on children’s health

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Researchers at Columbia University, with colleagues at Boston University and Abt Associates, have identified concentration-response (C-R) functions for a number of adverse health outcomes in children associated with air pollutants largely from fossil fuel combustion. A paper on their work is published in journal Environmental Research.

Pollution 247
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MIT study says combustion emissions cause ~200,000 premature deaths/year in US; vehicles and power generation top sources

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Annual average concentrations of fine particulates from US sources of combustion emissions from (a) electric power generation; (b) industry; (c) commercial and residential sources; (d) road transportation; (e) marine transportation; (f) rail transportation; (g) sum of all combustion sources; (h) all sources. Source: MIT. Click to enlarge.

MIT 378
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Six refineries in $425M settlement with EPA and DOJ over emissions violations

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and Par Hawaii Refining that resolves alleged Clean Air Act violations and protects public health by reducing air pollution at six refineries. Strict internal leak definitions: 500 ppm for valves and 2000 ppm for pumps. Tesoro will also pay a $10.45 million civil penalty. Internal first attempt at repair at 100 ppm for valves.

Emissions 150
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Canada publishes proposed regulations for criteria pollutants from locomotives

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The Government of Canada has published proposed Locomotive Emissions Regulations in the Canada Gazette, Part I. This marks Canada’s first regulation of air pollutant emissions from locomotives. The emission standards set out in these proposed regulations will also align with those of the United States. of PM emissions.

Canada 150
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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. A large international team produced this first surface ozone assessment report based on all available surface observations across the globe using data from more than 4,800 monitoring stations. Source: University of Leicester. Owen Cooper.

Ozone 255
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Study finds that replacement programs that reduce vehicle lifetime can result in increased lifecycle CO2 emissions

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Effects of changes in the average lifespan of ordinary passenger cars newly registered between 1990-2000 on total induced CO 2 emissions in 2000. Conversely, encouraging shortened vehicle lifetime via vehicle replacement schemes can result in higher total-induced greenhouse gas emissions, the authors found.

Emissions 218
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California ARB Report Finds Fine Particle Air Pollution Responsible for 9,000 Premature Deaths in State Each Year; Based on US EPA Peer-Reviewed Study

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Approximately 9,000 people in California are estimated to die prematurely each year as a result of exposure to fine particle pollution, according to a new report issued by the California Air Resources Board (ARB). Fine particle pollution, smaller than 2.5 ARB Chairman Mary Nichols. While it is recognized that exposure to PM 2.5

Pollution 220