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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.

Ozone 262
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AQLI: new data reveals little progress globally in reducing air pollution over the last two decades

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Particulate air pollution continues to cut global life expectancy by nearly two years as progress in some countries counterbalances worsening air quality in others, according to the Air Quality Life Index (AQLI). High pollution across the entirety of Bangladesh makes it the most polluted country in the world.

Pollution 243
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Study: ozone levels higher across China than in other countries tracking the air pollutant

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For China, sites in 74 major cities with continuous observations from 2013?2017 We find that in the most populous urban regions of Eastern and Central China, there are more than 60 days in a calendar year with surface ozone levels exceeding the Chinese national ozone air quality standard. 2017 are included.

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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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Study finds power law scaling relationship between urban population and NO2 pollution

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The approximate linear relationship for each region is notable, suggesting that the dependence of urban NO 2 pollution upon population follows a power law scaling with population. Even though larger cities are typically more energy efficient with lower per-capita emissions, more people still translates to more pollution.)

Pollution 261
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Shenzhen to issue only 100K new license plates per year in effort to combat congestion and pollution

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On 30 December, the city government of Shenzhen, China announced that it will only issue 100,000 license plates per year via lotteries and auctions, with immediate effect, to fight congestion and pollution. By the end of 2013, it had 10.63 For comparison, New York City in 2013 had a population of 8.4 increase from 2013.

Pollution 218
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Researchers urge Chinese government to encourage bikes, buses and rail over cars and commercial vehicles due to emissions and health concerns

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In China in 2013, The transport sector consumed 348.19 million tons of coal equivalent (tce), which resulted in serious air pollution. Chinese government has implemented several transport policies to deal with this challenge and to encourage residents to change their travel behaviors to mitigate severe air pollution.

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