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Harvard/Nanjing study: China’s war on PM2.5 pollution is causing more severe ozone pollution

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In early 2013, the Chinese government declared a war on air pollution and began instituting stringent policies to regulate the emissions of PM 2.5. pollution is falling, harmful ground-level ozone pollution is on the rise, especially in large cities. Over the course of five years, PM 2.5 Ke Li, Daniel J. 1812168116.

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Study: ozone levels higher across China than in other countries tracking the air pollutant

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2017 for one ozone metric. For China, sites in 74 major cities with continuous observations from 2013?2017 2017 are included. Many countries regulate ozone because of the damage the pollutant does to plants and people. The researchers think the harmful effects of surface ozone pollution are much less recognized.

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Tsinghua study finds China’s actions have cut PM2.5 concentrations 21.5% from 2013-2015; PM2.5-related mortality down 9.1%

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Air pollution in China, especially in mega-metropolitan areas, is a matter of concern due to its impact on public health; outdoor PM 2.5 million deaths in China in 2013. pollution reduced by 9.1% concentration is due to the non-linear relationship between pollution and mortality in current exposure-response functions.

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Port of Los Angeles surpasses 2023 pollution reduction targets five years ahead of schedule; NOx down 60% from 2005

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The newly released 2017 Inventory of Air Emissions shows the Port set new record lows for emissions reductions while its container volume reached an all-time high of 9.34 Source: 2017 Inventory of Air Emissions. The largest ships tend to be new-builds with cleaner engines, another contributor to clean air gains reported in 2017.

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SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

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Created to address California’s pollution challenges, this technology could be a solution for communities around the globe dealing with the effects of NO x. The State of California plans to enact tighter emissions standards in 2024 and will require that heavy-duty engines produce less pollutants.

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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%. million metric tons in 2017. million metric tons between 2017 and 2018, the first such decline since 2013.

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California Air Resources Board posts revised draft of strategy to reduce “Super Pollutants”

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The California Air Resources Board (CARB) has posted a revised draft of California’s proposed Short-Lived Climate Pollutant (SLCP) Strategy. SLCPs are a category of pollutants which remain in the atmosphere for a relatively brief period, but have global warming potentials that are much higher than those of CO 2.

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