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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 But the rapid reduction of PM 2.5

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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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New WHO has issued new Global Air Quality Guidelines (AQGs) that reduce levels of key air pollutants, some of which also contribute to climate change. Since WHO’s last 2005 global update, there has been a marked increase of evidence that shows how air pollution affects different aspects of health. Source: WHO. nitrogen dioxide (NO?)

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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. The inset shows ozone trends in Beijing (red) and Los Angeles (blue).

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Hyundai Motor puts XCIENT Fuel Cell electric trucks into commercial fleet operation in California with $3.5M from EPA

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million in 2021 Targeted Airshed Grant (TAG) funding from the US Environmental Protection Agency (EPA) to deploy five XCIENT Fuel Cell electric trucks in California. The XCIENT Fuel Cell 6x4 tractor model participating in the demonstration is equipped with a 180 kW fuel cell system and e-motor with a maximum output of 350 kW.

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Study associates long-term exposure to air pollution with increasing emphysema

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Long-term exposure to ambient air pollutants, especially O 3 (ozone), is significantly associated with increasing emphysema, according to a new study led by the University of Washington, Columbia University and the University at Buffalo. The annual averages of ozone levels in study areas were between about 10 and 25 ppb.

Pollution 223
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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.

Pollution 223
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HEI report finds current levels of air pollution have reduced life expectancy by 1.67 years on average worldwide

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This year’s report includes the latest results on air pollution exposure and its health burden around the world based on the 2017 GBD (Global Burden of Disease) study. Among the findings of the report is that current levels of air pollution levels have reduced life expectancy by 1 year and 8 months (1.67 and tropospheric ozone.

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