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Study explores mechanisms of effects of personal ozone exposure on blood pressure and vascular endothelial function

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A research team in China conducted a longitudinal panel study among 43 non-smoking college students in Shanghai to explore the effects of personal ozone exposure on blood pressure (BP), vascular endothelial function, and the potential molecular mechanisms. —Xia et al. doi: 10.1021/acs.est.8b03044. 8b03044.

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Study of 60M US seniors strengthens link between air pollution and premature death

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and of 10 ppb in ozone were associated with increases in all-cause mortality of 7.3% (95% confidence interval [CI], 7.1 When the analysis was restricted to person-years with exposure to PM 2.5 of less than 12 μg per cubic meter and ozone of less than 50 ppb, the same increases in PM 2.5 and 1.1% (95% CI, 1.0

Pollution 265
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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

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The California Air Resources Board released GHG emissions data for 2018 showing that emissions remain below 1990 levels but are effectively flat compared to 2017, while the economy grew by 4.3%. Source: California Air Resources Board (ARB). tons per person to 10.7 tons per person in 2018, a 24% decrease.

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California ARB hosting public workshop to discuss regulatory concepts for the Heavy-Duty “omnibus” Low NOx rulemaking

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The California Air Resources Board (ARB) will host a public workshop to discuss regulatory concepts to reduce NO x emissions from new on-road heavy-duty vehicles greater than 10,000 pounds gross vehicle weight rating. The workshop will be available via webcast for those unable to attend in person. Warranty corrective action.

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PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

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Depletion of fossil energy resources [kg oil-eq.]. Depletion of metal resources [kg iron-eq.]. Deterioration of the ozone layer [kg CFC-11-eq.]. Noise emissions [Person-Pascal/second]. Depletion of fresh water reserves [m 3 ]. Eutrophication of non-marine aquatic environments [kg N-eq.]. Human toxicity [kg 1,4-DC-eq.].

Mariner 435
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German-Chilean consortium investigating new ways of reducing arsenic in copper concentrates: ReAK

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However, this strategy will not remain feasible in the long term due to steadily increasing arsenic levels, notes the German Federal Institute for Geosciences and Natural Resources (BGR). —Anna-Lisa Bachmann, Fraunhofer Research Institution for Materials Recycling and Resource Strategies IWKS and coordinator of ReAK. Source: BGR.

Chile 243
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MIT study says combustion emissions cause ~200,000 premature deaths/year in US; vehicles and power generation top sources

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1,000 to 21,000) deaths due to changes in ozone concentrations. 900 to 11,000) ozone-related early deaths per year. 300 to 4,000) ozone-related premature mortalities per year. 2000 (90% CI: 0–4,000) early deaths from ozone, according to the study. 53,000 (90% CI: 24,000–95,000) PM 2.5 related premature deaths and ?5,000

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