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