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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb. Source: University of Leicester. Click to enlarge.

Ozone 255
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Study quantifies impact of oil and gas emissions on Denver’s ozone problem

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The first peer-reviewed study to directly quantify how emissions from oil and natural gas (O&NG) activities influence summertime tropospheric ozone (O 3 ) pollution in the Colorado Front Range confirms that chemical vapors from oil and gas activities are a significant contributor to the region’s chronic ozone problem.

Ozone 150
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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). The RCPs were chosen to represent a broad range of climate outcomes, based on a literature review. Ozone formation.

Ozone 199
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HEI study in Europe finds evidence of health effects at lower levels of air pollution

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In the report, the investigators describe the development of new exposure models for all of Europe for four pollutants: fine particulate matter (PM 2.5 ), black carbon (BC), nitrogen dioxide (NO 2 ), and ozone (O 3 ), as well as PM 2.5 Initial results were published in 2019 and Phase 2 results are under review. particle composition.

Pollution 313
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Study provides more insight into air pollution mechanisms that cause cardiovascular diseases

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Scientists around Professor Thomas Münzel, Director of Cardiology I at the Department of Cardiology at the Medical Center Mainz of Johannes Gutenberg University Mainz (JGU), reviewed the mechanisms responsible for vascular damage from air pollution together with scientists from the UK and the US. —Münzel et al.

Pollution 220
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Critical review finds actual measurement data on segments of natural gas lifecycle sparse or lacking

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After a critical review of the literature on the air impacts of increased natural gas acquisition, processing, and use, a team of US researchers has determined that that actual measurement data on various individual segments of the natural gas life cycle are sparse or critically lacking. jobs vs environmental stewardship). —Moore et al.

Gas 218
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National Academies release third review of the 21st Century Truck Partnership

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The National Academies have released a third review of the 21 st Century Truck Partnership (21CTP); the review follows the Phase 1 and Phase 2 reviews by the National Research Council in 2008 and 2012 ( earlier post ) and assesses the progress the partnership has made. A pathway to achieve 55% is being developed.

MPG 150