China found using dangerous banned chemicals, say scientists

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China found using dangerous banned chemicals, say scientists

May 24, 2019 16:44 IST

There has been a mysterious rise in the levels of a dangerous, banned chemical recently. CFCs or cholorofluorocarbons were once used as refrigerants but were banned worldwide in 1987 as they cause damage to the ozone layer that protects us from the harmful UV rays. In 2018, a team of researchers started work on identifying the source based on atmospheric observations. In a newly published report in Journal Nature, scientists point out to the Eastern provinces of China as major sources of CFC emissions. According to them, several Chinese firms that produce polyurethane insulation have been using CFCs illegally, since it is cheaper and works better than other alternatives. The report indicates that approximately 40-60% of the emissions are coming from China.