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

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pollution in the state. is especially burdensome in California and accounts for the greatest percentage of health impacts attributable to air pollution. km-resolution MISR aerosol properties over Southern California for years 2001–2003, 2007–2009 and 2013–2015. to predict PM 2.5 Most monitors do not track individual PM 2.5

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Lung Association report highlights health and climate costs of petroleum-based transportation and the benefits of shifting to ZEVs

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Of that $37 billion, health costs added up to $24 billion in 2015; the $24 billion represents the monetized sum of harmful emissions responsible for an estimated 220,000 work-loss days, more than 109,000 asthma exacerbations, hundreds of thousands of other respiratory impacts, and 2,580 premature deaths. Maryland: $2.6 billion by 2050.

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PNNL-led international study finds ultrafine aerosols have outsize impact on storm clouds, precipitation

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vehicles) and industrial air pollution—fuel powerful storms and influence weather much more than has been appreciated, according to a study published in the journal Science. Ultrafine aerosols—minute particles from urban (e.g., —Jiwen Fan.

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Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

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Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. Determining effective strategies for mitigating surface ozone (O 3 ) pollution requires knowledge of the relative ambient concentrations of its precursors, NO x , and VOCs. Credits: NASA’s Earth Observatory /Josh Stevens. Click to enlarge.

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PNNL modeling study finds climate benefit for cutting soot, methane smaller than previous estimates

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a joint venture between Pacific Northwest National Laboratory and the University of Maryland. Even with maximally feasible reductions phased in from 2015 to 2035, global mean temperatures in 2050 would be reduced by 0.16 °C, with a range of 0.04–0.35

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California state agencies “rolling out carpet” for hydrogen electric vehicles

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Last week, the California Energy Commission carried out one of these initiatives, voting to use nearly $50 million to put in place 28 new, public hydrogen refueling stations and one mobile refueler by the end of 2015. efforts among California, New York, Maryland, Connecticut, Oregon, Massachusetts, Vermont. Earlier post.).

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CMU study finds controlled EV charging can reduce generation cost, but at greater health and environmental costs depending upon the generation mix

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Stacked bars show the change in generation cost combined with the median damages by pollutant assuming the 2010 social cost of carbon given by the Office of Management and Budget ($31 in $2010). However, this shift results in increased externality costs of health and environmental damages from increased air pollution.

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