Nov. 21, 2023 — Despite public perception, the Antarctic ozone hole has been remarkably massive and long-lived over the past four years; researchers believe chlorofluorocarbons (CFCs ...
The ozone hole over Antarctica is the seventh smallest it’s been since the early 1990s. Recovery began with the Montreal Protocol, which ended the production of all chlorofluorocarbons (CFCs) in 1987.
In 1974, Mario Molina and Sherwood Rowland published a paper in Nature detailing the effects of chlorofluorocarbon (CFC) gasses on atmospheric ozone. The paper pointed out that CFCs, which were ...