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Study: 2/3 of aviation climate impact due to emissions other than CO2

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The study was published in the journal Atmospheric Environment. In the new study, we have analyzed 20 years of aviation emissions, up until and including 2018. Both radiative forcing (RF) and effective radiative forcing (ERF) terms and their sums are calculated for the years 20002018. Aviation accounts for 3.5%

Climate 448
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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

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The California Air Resources Board released GHG emissions data for 2018 showing that emissions remain below 1990 levels but are effectively flat compared to 2017, while the economy grew by 4.3%. Total statewide 2018 GHG emissions were 425.3 million metric tons between 2017 and 2018, the first such decline since 2013.

2020 221
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Swiss study finds that studies on air pollution that ignore impact of noise overestimate effects of pollution on heart attacks

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The study looked at the combined effects of air pollution and transportation noise for heart attack mortality, by considering all deaths that occurred in Switzerland between 2000 and 2008. The study included all deaths (19,261) reported across Switzerland from the period 2000 to 2008.

Pollution 236
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MIT study finds real-world NOx from diesels cars in Europe greatly exceeds laboratory levels; transboundary emissions cause 70% of health impacts

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A new study by MIT researchers, published this month in Atmospheric Environment , finds that in Europe, 10 major auto manufacturers produced diesel cars, sold between 2000 and 2015, that generate up to 16 times more NO x emissions on the road than in regulatory tests—a level that exceeds European limits but does not violate any EU laws.

MIT 273
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Audi puts steel back in the new A8

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The new Audi A8, scheduled for release in 2018, features a multi-material body structure ( earlier post ) consisting of more than 40% steel. Steel’s strength has multiplied by almost 10 times over the past 20 years, from 270 to 2000 MPa tensile strength. Bottom: Body structure of the new A8 arriving in 2018. Click to enlarge.

Audi 207
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GM investing $1B in Warren Technical Center

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The multiyear project, which is driving new construction on the campus, significant renovations of some existing facilities and expansion of some operations, begins this month with work continuing through 2018 at the National Historic Landmark site. In addition, GM previously announced $139.5

GM 150
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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. These metrics show similar patterns and highlight the different assessment methods.

Ozone 255