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Study finds COVID-19 lockdown in China brought only slight reduction in PM2.5 and ozone

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Large improvements of air quality in China during the lockdown have been widely reported, but new research shows that two pollutants harmful to human health—fine particulate matter (PM 2.5 ) and ozone—were only slightly reduced. and ozone were only slightly reduced or barely affected.

Ozone 243
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Duke/York study finds long-term exposure to ozone has significant impacts on human health, but lower than prior modeling results

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A team from Duke University in the US and University of York in the UK have utilized a novel method to estimate long-term ozone exposure and previously reported epidemiological results to quantify the health burden from long-term ozone exposure in three major regions of the world. —Seltzer et al. —Karl Seltzer.

Ozone 207
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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. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone. —Jin et al.

Ozone 150
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Airborne measurements show ozone-forming VOCs emissions from ethanol plant higher than government estimates

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VOCs and nitrogen oxides react with sunlight to form ground-level ozone, the main component of smog. and so the question is: what does that do to the environment. 2015) “Airborne Measurements of the Atmospheric Emissions from a Fuel Ethanol Refinery” Journal of Geophysical Research: Atmospheres doi: 10.1002/2015JD023138.

Ozone 150
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EPRI-NRDC report finds widespread vehicle electrification and a cleaner grid could lead to substantial cuts in GHG by 2050

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As with the earlier assessment, this study consists of two separate, but related, analyses: greenhouse gas emissions from 2015-2050, and air quality impacts in 2030. This research points to the importance of two fundamental and parallel trends in energy and the environment. levels throughout the United States.

EPRI 246
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NASA Administrator Bolden Highlights Importance of Green Aviation to Future of NASA

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Bolden said air travel is one of the safest modes of transportation and vital to the US economy, but increasing air traffic is taking a toll on the environment and the nation’s aviation infrastructure. said at the Green Aviation Summit under way through Thursday at NASA’s Ames Research Center.

Green 186
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New Volvo XC90 debuts enhanced multi-filter that improves interior air quality

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CleanZone is an approach to controlling interior air quality and providing a better driving environment through innovative solutions for enhanced wellbeing and health. The multi-filter was designed especially for the SPA platform and will first appear in the all-new XC90 in the beginning of 2015. Ground-level ozone.

Volvo 236