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Global study links daily exposure to ozone pollution to increased risk of death

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Daily exposure to ground level ozone in cities worldwide is associated with an increased risk of death, according to the largest study of its kind, published in an open-access paper in The BMJ. Ground level ozone is a highly reactive gas commonly found in urban and suburban environments, formed when pollutants react in sunlight.

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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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Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

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and ozone deaths, associated mortality rates, and population in G20 economies in 2015. and ozone worldwide in 2010 and ~385,000 in 2015, equivalent to 11.7% and ozone premature deaths in 2010 and 11.4% and ozone concentrations from transportation emissions resulted in 7.8 Transportation-attributable PM 2.5 Together, PM 2.5

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

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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. and ozone (O 3 ). and ozone (O 3 ).

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Climate Expert: Don't Call It Geoengineering

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But it's also a way of indicating that there is hope and possibility in navigating the dangerous part of the climate change situation. We've also focused on the parts of the portfolio where there are fewer people and fewer investments that are moving things forward. Spectrum : Where are these three parts of the world?

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UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

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Recent findings show that warming extends well to the south of the Antarctic Peninsula, to cover most of West Antarctica, an area of warming much larger than previously reported. The hole in the ozone layer has had a cooling effect on Antarctica, and is partly responsible for masking expected warming on the continent.

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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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Brazil, the largest and most populous country in South America, was importing 80% of its oil and 40% of its foreign exchange was used to pay for that imported oil. The ethanol content of the gasoline shall be determined by use of one of the testing methodologies specified in appendix F to this part. 40 CFR § 80.27