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Antarctica's Ozone Hole Is Healing and Set to Recover by 2066
The ozone layer is looking as fit as a fiddle at the moment.
In the 1970s and '80s, it became apparent that a gaping hole in the ozone sheet was being formed by chlorofluorocarbons (CFCs) – human-made chemicals once widely used in aerosol sprays, solvents, and refrigerants – that degrade the layer after becoming wafted up into the stratosphere. As noted by the EU's Copernicus Atmosphere Monitoring Service (CAMS), the hole over Antarctica developed later than normal this year due to disruptions in the polar vortex caused by two episodes of sudden stratospheric warming in July 2024. The Montreal Protocol and subsequent amendments have created enough space for the ozone layer to begin healing, and we can expect further signs of recovery to be visible in the next forty years,” Laurence Rouil, Director of the CAMS at the European Centre for Medium-Range Weather Forecasts, said in a statement.
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