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Study provides more insight into air pollution mechanisms that cause cardiovascular diseases

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course, fine, ultrafine particles) and gaseous pollutants such as ozone, on vascular function. Key research questions focused on components of air pollution (particulate matter, ozone, nitrogen dioxide, carbon monoxide, and sulfur dioxide) that are particularly damaging to the cardiovascular system and mechanisms that damage the vessels.

Pollution 220
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Satellite data show resurgence in NO2 emissions over China

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The satellite carries the Tropomi instrument to map a multitude of trace gases such as nitrogen dioxide, ozone, formaldehyde, sulfur dioxide, methane, carbon monoxide and aerosols. ©ESA/ATG As nitrogen dioxide is primarily produced by traffic and factories, it is a first-level indicator of industrial activity worldwide.

Emissions 473
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DOE HPC4Mfg program funds 13 projects to advance US manufacturing; welding, Li-S batteries among projects

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A US Department of Energy (DOE) program designed to spur the use of high performance supercomputers to advance US manufacturing has funded 13 new industry projects for a total of $3.8 High-performance computing offers critical new insight into these phenomena, which in turn will accelerate the product’s entry into the market.

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NASA GISS Study Finds That Methane Has an Elevated Warming Effect Due to Interactions With Aerosols

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In particular, the study led by Drew Shindell found that methane emissions have a larger warming impact due to those interactions than accounted for in current carbon-trading schemes or in the Kyoto Protocol. And hydroxyls drive long chains of reactions involving other common gases, including ozone. Shindell et al.

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Study finds modifying urban form may be a strategy to reduce air pollution

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Cities serve as economic and social centers, concentrating people, activities, ideas, and industries. Transportation is one of the largest contributors to urban air pollution for pollutants such as carbon monoxide, nitrogen oxides, benzene, ozone, and fine particulate matter (PM 2.5 ). . is attributable to motor vehicles.

Pollution 231
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Researchers Determine Process Through Which Hydrocarbon Compounds Emitted by Trees Form Aerosols, With Impact on Human Health and Climate

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Isoprene, a five-carbon diene formed naturally in plants and animals and a precursor of ozone, contributes more than 40% of these emissions. Global simulations show an enormous flux—nearly 100 teragrams of carbon per year—of these epoxides to the atmosphere. Paul Wennberg, Caltech, project leader.

Climate 150