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MIT study: half of US deaths related to air pollution are linked to out-of-state emissions

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More than half of all air-quality-related early deaths in the United States are a result of emissions originating outside of the state in which those deaths occur, MIT researchers report in a paper in the journal Nature. Now it’s looking like other emissions sectors are becoming important. That wasn’t really possible before.

MIT 307
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CARB, NOAA, NASA and San Jose State University scientists team up to study ozone transported across Pacific

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As California continues to reduce local sources of ozone, ozone entering the state from the Pacific makes up a larger fraction of measured ozone levels. An ozonesonde is a balloon which measures ozone from the surface to more than 10 kilometers above the ground.

San Jose 150
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International study finds air pollution leads to millions of hospital visits for asthma attacks worldwide

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Air pollution—specifically PM 2.5 , ozone and NO 2 —could be to blame for up to 33 million emergency asthma attack visits to hospital a year, according to a new open-access study published in the journal Environmental Health Perspectives. Anthropogenic emissions were responsible for ?37% 37% and 73% of ozone and PM 2.5

Pollution 207
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CARB fines Del Monte $2M for violations of OGV at Berth regulation

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with its principal location in Coral Gables, Florida, is a global producer, marketer and distributor of fresh and fresh-cut fruit and vegetables. The goal of CARB’s At-Berth Regulation is to reduce diesel emissions from ocean-going vessels (OGVs). Del Monte Fresh Produce N.A. —CARB Executive Officer Richard W.

Ozone 321
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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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Comparison of the potential reduction in emissions with the application of lower sulfur 0.5% 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.

Pollution 150
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Study projects net cooling of climate from ship emissions through 2050

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Shipping-induced global temperature change in 2050 using different parameterizations of Indirect Aerosol Effect (IAE). A recent study commissioned by the International Maritime Organization (IMO) estimated total emissions of 1046 Tg CO 2 yr ?1 of the total anthropogenic CO 2 emissions in that year. Credit: ACS, Lund et al.

Climate 240
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Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

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Scientists report in an open access paper this week in the journal Proceedings of the National Academy of Sciences (PNAS) that river and stream networks are the source of at least 10% of human-caused nitrous oxide emissions to the atmosphere. This new global emission estimate is startling. Beaulieu et al. PNAS doi: 10.1073/pnas.1011464108.