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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.

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EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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Most of this infrared radiation passes through the atmosphere, but some is absorbed by GHG molecules like CO 2 , methane, ozone and others. Based on recent emissions inventories (2000 for global and 2005 for the United States), the majority of global BC emissions come from Asia, Latin America, and Africa. Earlier post.). Source: EPA.

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Emissions of Air Pollutants down in EU-27

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The downward emission trend of three main pollutants which cause ground-level ozone continued in 2007: carbon monoxide (CO) fell by 57%, non-methane volatile organic compounds (NMVOCs) were down by 47% and nitrogen oxides (NO x ) have dropped 36%. EU-27 emissions of all four pollutants were lower in 2007 than in 2006.

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