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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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A new study provides the most detailed picture available to date of the global, regional, and local health impacts attributable to emissions from four transportation subsectors: on-road diesel vehicles; other on-road vehicles; shipping; and non-road mobile engines such as agricultural and construction equipment. of global ambient PM 2.5

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Study Finds Ozone, Nitrogen Change the Way Rising CO2 Affects Earths Water

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Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. Cronin, J. Melillo, D. Kicklighter, C.

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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 increased by 20.4%, driven by trends in South Asia, Southeast Asia, and China, according to the team’s findings. Additionally, the study found that the population-weighted mean concentrations of ozone increased globally by 8.9% and ozone (O 3 ). . …

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Climate Expert: Don't Call It Geoengineering

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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. by spewing pollution into the air.

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

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Global emissions were growing by 1.1% The developing and least-developed economies, 80% of the world’s population, accounted for 73% of the global growth of emissions in 2004. The hole in the ozone layer has had a cooling effect on Antarctica, and is partly responsible for masking expected warming on the continent.