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Satellite study suggests California clean air regulations working to reduce PM2.5 emissions in state

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pollution in the state. is especially burdensome in California and accounts for the greatest percentage of health impacts attributable to air pollution. km-resolution MISR aerosol properties over Southern California for years 2001–2003, 2007–2009 and 2013–2015. to predict PM 2.5 Most monitors do not track individual PM 2.5

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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.

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

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However, the slow pace of negotiations spurred UNFCCC delegates to publish a “roadmap to Copenhagen” in December 2007 at the 13 th Congress in Bali, in an effort to accelerate the progress of those negotiations. by Jack Rosebro. as compared to 1990 emissions, to be achieved between 2008 and 2012. ” [ 1 ].

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EPA: US greenhouse gases up 2% in 2013; increased coal consumption, cool winter

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By sector, power plants were the largest source of emissions, accounting for 31% of total US greenhouse gas pollution. Commercial aircraft emissions increased slightly between 2012 and 2013, but have decreased 18% since 2007. billion gallons in 2001 to 1.4 Climate Change Emissions' Source: EPA. Click to enlarge.

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

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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. diesel combustion by reducing temperature”, SAE Technical Paper 2001-01-0655, 2001.). Fahey (2007) S3D: Petascale Combustion. J H Chen et al.

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The View From Here Today

Creative Greenius

I contributed the following to the World Wildlife Climate Witness site last week and it was published this morning. In 2001 she terminated our grass lawns and replaced them with drought tolerant plants because of her concerns for water use. c) 2009 by Joe Galliani - This afternoon's view from my studio's patio.

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California greenhouse gas inventory shows state is tracking to achieve 2020 AB 32 target

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Overall trends in the inventory also demonstrate that the carbon intensity of California’s economy, the amount of carbon pollution per million dollars of GDP, is declining. Carbon intensity has dropped 23% from the peak in 2001, and declined an average of 1.9% tons per person in 2001 to 12.0 overall during the same period.