China has been aggressively targeting factory emissions as part of its efforts to cut PM2.5 pollution. Photo: Reuters

China’s fight for clean air gets more complicated after scientists link fall in PM2.5 pollutants to rise in crop-damaging ground-level ozone

  • Joint US-Chinese study suggests that drive to reduce most harmful particles in the atmosphere is something of a double-edged sword
  • Researchers say there is a relationship between a drop in PM2.5 levels and the rise in ground-level ozone pollution, which can reduce crop yields
Topic |   Environment

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China has been aggressively targeting factory emissions as part of its efforts to cut PM2.5 pollution. Photo: Reuters
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