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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.

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Study Links Springtime Ozone Increases Above Western North America to Emissions in Asia

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Springtime ozone distributions for 1984, 1995–2008 in the mid-troposphere (3.0–8.0 Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. km), and air mass source regions. Click to enlarge.

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EPA and Justice Department announce settlement to reduce hazardous air emissions at BP Products’ Whiting Refinery; $197M in injunctive relief, $40M penalty

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The US Environmental Protection Agency (EPA) and the Department of Justice announced a Clean Air Act Settlement with BP Products North America Inc., (BPP), This is the largest civil penalty ever secured for a Clean Air Act stationary source settlement.

Ozone 170
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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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Researchers report on potential long-range atmospheric emissions impacts of increased ethanol fuel use in North America

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Seasonal ethanol emissions from North America. Numbers inset give the total North American ethanol source. Acetaldehyde is classified as a hazardous air pollutants (HAP) regulated under Title III of the Clean Air Act Amendments. This is accompanied by a modest regional decrease in surface ozone (of order 1%).

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EPA awards $5M to the Southern Alliance for Clean Energy (SACE) for cleaner big rigs

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The US Environmental Protection Agency (EPA) has awarded $5 million to the Southern Alliance for Clean Energy (SACE) to help Southern truckers and small businesses to buy cleaner big rigs. The Clean Trucks Make Cents program will finance up to 100% of the purchase or lease of a pre-2007 tractor-trailer. Rush Enterprises, Inc.

Cleaner 186
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ICCT finds growth in shipping in Arctic could increase pollutant emissions 150-600% by 2025 with current fuels

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While that report projected vessel activity, it did not explore the environmental impacts of increased shipping in terms of air emissions or the potential climate impacts from increases in short-lived climate pollutants such as black carbon. The emissions report focuses on the low- and mid-range diversion scenarios—i.e., Earlier post.).

Pollution 150