New obstacles ahead in China's pollution fight: report | 11/20/2019 | Staff
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China's fight against pollution faces new threats from rising levels of harmful ozone gas despite an "impressive" reduction in other airborne particles, according to a report released Thursday.

The country cut its national average level of airborne PM2.5—tiny particles that can penetrate the lungs and enter the bloodstream—by 27 percent between 2015 and 2019, according to the Finland-based Centre for Research on Energy and Clean Air (CREA).

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China also reduced its average sulphur dioxide levels by 55 percent during this period, which CREA said was "very impressive progress".

However, levels of ozone gas, which is linked to drops in cognitive performance and educational outcomes, rose 11 percent over this period despite national efforts to fight pollution, the report said.

Ozone - Nitrogen - Dioxide - Frontiers - China

Ozone, along with nitrogen dioxide, "could be the next frontiers in China's war on pollution", CREA said.

China's air quality gains were mostly achieved through "end of pipe" measures that filter out pollutants right before they enter the environment, CREA lead analyst and the report's author Lauri Myllyvirta said.

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In the past few years, "most of the existing coal-fired power plants have been retrofitted to comply with new...
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