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China study connects ozone pollution to cardiovascular health

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Exposure to ozone, long associated with impaired lung function, is also connected to health changes that can cause cardiovascular disease such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults. They monitored indoor and outdoor ozone levels, along with other pollutants.

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Study associates long-term exposure to air pollution with increasing emphysema

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Long-term exposure to ambient air pollutants, especially O 3 (ozone), is significantly associated with increasing emphysema, according to a new study led by the University of Washington, Columbia University and the University at Buffalo. The annual averages of ozone levels in study areas were between about 10 and 25 ppb.

Pollution 223
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Study finds that current approach to limiting wintertime pollution may initially backfire

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The processes that create ozone pollution in the summer can also trigger the formation of wintertime air pollution, according to a new study from researchers at the University of Colorado Boulder and NOAA, in partnership with the University of Utah. —Caroline Womack. Womack, C. McDuffie, E. Edwards, P. Docherty, K.

Pollution 223
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CARB fines Del Monte $2M for violations of OGV at Berth regulation

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The California Air Resources Board (CARB) announced a settlement with Del Monte Fresh Produce N.A. The project provides financial and other incentives for ocean-going vessels to reduce their speed in specified areas along the coast during peak ozone and migratory whale seasons. Del Monte Fresh Produce N.A.

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Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

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Photochemical Ozone Creation Potential (kg Ethene equivalent). Quantifies the production of pollutant ozone (? to ozone layer), the results of the reaction of sunlight on NO x and volatile organic compounds. Abiotic Resource Depletion Potential (kg Sb equivalent). consumption leading to resources and abiotic depletion.

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Study finds changes in the Arctic sea ice cover may be driving changes in atmospheric chemistry

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The connection between changes in the Arctic Ocean’s ice cover and bromine chemical processes is determined by the interaction between the salt in sea ice, frigid temperatures and sunlight. Bromine also can remove ozone from the lowest layer of the atmosphere, the troposphere. Nghiem, S. Geophys.

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California ARB and NOAA Collaborating in $20M Research on Interaction of Air Pollution and Climate Change; One Atmosphere Approach

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The California Air Resources Board (ARB) and the National Oceanic and Atmospheric Administration (NOAA) are collaborating in the $20-million CalNex research project to examine the nexus between air pollution and climate change. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs.