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Emissions of a banned ozone-destroying chemical have been traced to China

Air monitoring data solve only part of the mystery of why CFC-11 pollution is on the rise

air quality station

POLLUTION PATROL  Air samples collected at stations in Gosan, South Korea (above) and Hateruma, Japan indicate that eastern China has been ramping up its emissions of an outlawed chemical called CFC-11.

Korean Meteorological Administration

By Maria Temming

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