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UCL-led study finds climate impact caused by growing space industry needs urgent mitigation

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The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. The space industry is one of the world’s fastest growing sectors.

Climate 428
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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).

Ozone 199
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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. has decreased by 35% in northern China. Grey areas indicate no valid data. Bauwens et al.

Ozone 291
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Study suggests future climate changes to worsen air quality for >85% of China’s population; ~20k+ additional deaths each year

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A study by a team of researchers from China, the US and Germany suggests that future climate change may worsen air quality for more than 85% of China’s population, leading to an additional 20,000 deaths each year. and ozone exposure, respectively. and ozone exposure, respectively. —Hong et al.

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China study connects ozone pollution to cardiovascular health

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Exposure to ozone, long associated with impaired lung function, is also connected to health changes that can cause cardiovascular disease such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults. The findings associated ozone exposure with markers of platelet activation and increased blood pressure.

Ozone 170
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Harvard/Nanjing study: China’s war on PM2.5 pollution is causing more severe ozone pollution

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concentrations in eastern China have fallen nearly 40%. pollution is falling, harmful ground-level ozone pollution is on the rise, especially in large cities. Ozone is the main ingredient in smog and has been studied since it began choking cities in the US in the early 1950s. Over the course of five years, PM 2.5 1812168116.

Ozone 262
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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb. Source: University of Leicester. Click to enlarge.

Ozone 255