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Study Concludes Warming Climate Will Increase Ozone Levels in Major California Air Basins; Climate Change and Regional Air Quality Are Intertwined Problems

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Illustration of projected ozone changes in the South Coast region due to climate change in 2050. In a new report released by the California Air Resources Board, scientists from the University of California at Davis and Berkeley estimate that rising temperatures from climate change will increase ozone levels in California’s major air basins.

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Study Highlights the Importance of Considering Climate Effects of Non-CO2 Emissions from Transport in Mitigation Strategies and Policies

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The on-road transportation (ORT) and power generation (PG) sectors are major contributors to CO 2 emissions and a host of short-lived radiatively-active air pollutants, including tropospheric ozone and fine aerosol particles, that exert complex influences on global climate. Unger et al. Click to enlarge. Unger et al.

Climate 150
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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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Although most countries have already revealed their opening emissions reduction proposals, UNFCCC Executive Secretary Yvo de Boer pointed out Thursday that “ we still await clarity from industrialized nations on the provision of large-scale finance to developing countries for immediate and long-term climate action. by Jack Rosebro.

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Calif. ARB releases GHG scoping plan update; more ZEVs, “LEV IV”, MD and HD regulations; ZEV for trucks; more LCFS

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The update identifies eight key sectors for ongoing action: Energy; Transportation, fuels, land use and infrastructure; Agriculture; Water; Waste management; Natural lands; Short-Lived Climate Pollutants (such as methane and black carbon); and Green Buildings. Transportation.

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Peking University team develops method for modeling historical global black carbon emissions from motor vehicles with reduced uncertainty

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Black carbon is a key short-lived climate change forcer ( earlier post ) and motor vehicles are important sources of BC in the environment. There is also a potential of applying the quantitative approach developed in this study to other pollutants. An earlier global BC emission inventory by Bond et al. —Wang et al. Streets, D.

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Marine Scientists Issue Monaco Declaration Calling for Immediate Action to Reduce Ocean Acidification

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They caution that its negative socio-economic impacts can only be avoided by limiting future atmospheric CO 2 levels. The report from the symposium summarizes the state of the science and priorities for future research, while the Monaco Declaration implores political leaders to launch urgent actions to limit the source of the problem.

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High Performance Computing key enabler for accelerating development of high efficiency engines

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Low emission, low temperature engine concepts of the future operate in regimes where combustion is poorly understood. In an effort to reliably predict efficiency and pollutant emissions for new engines and fuels, computer simulations are used to study fundamental turbulence-chemistry interactions. Wagner and Pannala. Click to enlarge.

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