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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.

Ozone 255
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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. Ethanol is emitted to the atmosphere by both natural and anthropogenic processes; examples of the latter include industrial processes, biomass combustion and use as a biofuel mixed with gasoline. Click to enlarge.

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Study finds that under business-as-usual scenario, average global air quality to worsen; China, North India and Middle East are the hot spots

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Following this BAU scenario, the researchers projected that air quality for the global average citizen in 2050 would be almost comparable to that for the average citizen in East Asia in the year 2005—an outcome which underscores the need to pursue emission reductions, according to the authors. —Pozzer et al.

India 240
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Study: 87% of world’s population in 2013 lived in areas exceeding WHO PM2.5 guidelines

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Between 1990 and 2013, global population-weighted PM 2.5 Additionally, the study found that the population-weighted mean concentrations of ozone increased globally by 8.9% from 1990–2013 with increases in most countries—except for modest decreases in North America, parts of Europe, and several countries in Southeast Asia.

2013 150
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BASF opens thermoplastic polyurethanes research lab in US; automotive, construction, sports and leisure

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A multidisciplinary team of product developers, chemists and material scientists will work to discover new products for the US automotive, construction, sports and leisure industries. Applications for these highly versatile plastics include cables and tubes in the automotive, mechanical engineering and construction industries.

Ozone 210
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Climate Expert: Don't Call It Geoengineering

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C above pre-industrial levels. If they meet all the pledges they've made for emission reductions by 2030, global temperature rise will be at 2.4° Many people see such actions as "playing God," and worry about the unintended consequences of meddling with nature on a global scale. Humanity is already reducing global warming.

Climate 140