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Studies find global COVID-19 lockdowns have significantly reduced PM2.5 and NO2 pollution, but ozone up

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Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. The temperature data are from the Copernicus Climate Change Service (2017). Shi and Brasseur.

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

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In China, people breathe ozone-laden air two to six times more often than people in the United States, Europe, Japan, or South Korea, according to a new international study published in Environmental Science & Technology Letters. 2017 for one ozone metric. 2017 are included. 2014) are included.

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Study links PM2.5 pollution to increased risk of diabetes; even low levels pose risk

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pollution—even at levels deemed safe—to an increased risk of diabetes globally. The main drivers of diabetes include eating an unhealthy diet, having a sedentary lifestyle, and obesity, but the new research indicates the extent to which outdoor air pollution plays a role. Louis Health Care System links PM 2.5 million U.S.

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Study finds that current approach to limiting wintertime pollution may initially backfire

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The processes that create ozone pollution in the summer can also trigger the formation of wintertime air pollution, according to a new study from researchers at the University of Colorado Boulder and NOAA, in partnership with the University of Utah. A key control strategy is to reduce emissions of the limiting reagent.

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Latest EPA automotive trend report shows MY 2017 fleet fuel economy of 24.9 mpg; new record

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The latest edition of the US Environmental Protection Agency (EPA) annual Automotive Trends Report finds that Model Year (MY) 2017 vehicle fuel economy was 24.9 Most large manufacturers used banked credits, along with technology improvements, to maintain compliance in model year 2017. Estimated Real-World CO 2 and Fuel Economy.

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Study of 60M US seniors strengthens link between air pollution and premature death

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They also estimated air pollution levels at each 1 kilometer grid for the entire US upon which the claims data could be overlaid and interpreted. The exposure prediction model leverages satellite-based measurements and a computer simulation of air pollution. —Joel Schwartz.

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New study suggests PM air pollution damages the kidneys

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Studies have shown that air pollution can have negative effects on cardiovascular health and life expectancy. Information on the relationship between air pollution and kidney disease is very scarce. Air pollution levels were also assessed using space-borne sensors from NASA satellites. 2017030253.

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