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Decrease in air pollution associated with decrease in respiratory symptoms among children

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Decreases in ambient air pollution levels over the past 20 years in Southern California were associated with significant reductions in bronchitic symptoms in children with and without asthma, according to a study by researchers at the University of Southern California published in JAMA. Kiros Berhane, Ph.D., —Berhane et al.

Pollution 150
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Researchers find magnetite nanoparticles similar to those from traffic pollution in brain; possible link with Alzheimer’s

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The particles we found are strikingly similar to the magnetite nanospheres that are abundant in the airborne pollution found in urban settings, especially next to busy roads, and which are formed by combustion or frictional heating from vehicle engines or brakes. Hautot et al. Gargiulo et al. Ahmed, I.A.M., Karloukovski, V., MacLaren, D.A.,

Pollution 150
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Study measures the effect of regional change in clouds caused by ships’ emissions; masking GHG warming

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This puffy line is not just exhaust from the engine, but a change in the clouds that’s caused by small airborne particles of pollution. Pollution from ships creates lines of clouds that can stretch hundreds of miles. The difference helps explain how much industrial pollution influences clouds. NASA Earth Observatory.

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Satellite study suggests California clean air regulations working to reduce PM2.5 emissions in state

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Scientists from Emory University, NASA’s Jet Propulsion Laboratory and the California Air Resources Board teamed to analyze satellite data to determine the 15-year trend of PM 2.5 pollution in the state. is especially burdensome in California and accounts for the greatest percentage of health impacts attributable to air pollution.

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California Air Resources Board approves 2014 Honda Plug-in Hybrid Accord as first LEV3/SULEV20 vehicle on sale

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The California Air Resources Board has approved the 2014 Honda Plug-in Hybrid Accord as the first car for sale in California that meets ARB’s LEV3/SULEV20 standard—the most stringent smog-emission standard to date. In 2002, the 2003 Civic Hybrid was the first certified Advanced Technology Partial Zero-Emission Vehicle. (AT

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Study estimates California’s GHG reductions since 2003 could be wiped out by 2020 wildfires

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In an open-access report in the journal Environmental Pollution , researchers from UCLA and the University of Chicago estimate that California’s wildfire carbon dioxide equivalent (CO 2 e) emissions from 2020 (~127 mmt CO 2 e ) are approximately two times higher than California’s total greenhouse gas (GHG) emission reductions since 2003.

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Study finds rapid increases in nitrogen oxides may be as harmful to the heart as sustained levels

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Rapid increases in pollution may be as harmful to the heart as sustained high levels, according to new research published in the European Journal of Preventive Cardiology. However, this study investigated whether rapid increases in pollution increase the risk of heart attack, independently of an absolute threshold.

Pollution 240