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Study finds association between air pollution, coronary atherosclerosis in Chinese population

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Researchers from the University at Buffalo (UB), with colleagues in the US and China, have provided pathophysiologic evidence of the effect of air pollution on cardiovascular disease in China. Their findings also suggests that China may need to revise its standard for one type of pollutant. —first author, Meng Wang.

Pollution 320
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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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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 week of Chinese New Year holiday is indicated by the red lantern shown inset panels (b) and (h).

Ozone 291
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Global study links daily exposure to ozone pollution to increased risk of death

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Ground level ozone is a highly reactive gas commonly found in urban and suburban environments, formed when pollutants react in sunlight. g/m 3 (Chinese Ambient Air Quality Standard). Recent reviews suggest that 80% of the world’s population in urban areas are exposed to air pollution levels above the WHO threshold.

Ozone 243
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Study links increased black carbon pollution to increase in cases of lung adenocarcinoma worldwide

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An international team of scientists, led by NTU Singapore, has linked increased air pollution to an uptick in cases of lung adenocarcinoma (LADC) worldwide. This study, done in collaboration between NTU and the Chinese University of Hong Kong, showed that a 0.1 Black carbon is a pollutant that is classified as under PM 2.5.

Pollution 305
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Study first to quantify amount of US pollution resulting from Chinese manufacturing for exports

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Average annual percentage of black carbon pollution related to Chinese exports. We’ve outsourced our manufacturing and much of our pollution, but some of it is blowing back across the Pacific to haunt us. The product doesn’t contain the pollution, but creating it caused the pollution. Credit: Lin et al.

Pollution 318
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Study: ozone levels higher across China than in other countries tracking the air pollutant

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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. Many countries regulate ozone because of the damage the pollutant does to plants and people.

Ozone 199