by Jacob Dubé, May 23, 2019 in National Post
Scientists found that between 40 and 60 per cent of the total global CFC-11 emissions originated from eastern China
A chemical banned around the globe for the last 30 years has made an unfortunate resurgence. And all signs, in a new study, point to China as the culprit.
In the 1980s, countries came together to sign The Montreal Protocol on Substances that Deplete the Ozone Layer, a landmark treaty designed to halt and reduce the production of chlorofluorocarbons (CFC), chemicals used in fridges and foams that had the side effect of tearing through the Earth’s ozone layer.
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In this graphic, monitoring stations in Japan and Korea designed to track unwanted emissions in the atmosphere attempt to pinpoint the origin of an increase in CFC-11 emissions. Tracking the gas’ presence and weather conditions, scientists concluded it originated from eastern mainland China. A new study published May 22, 2019, found that 40 to 60 per cent of global CFC-11 emissions originated from the region.