As a result of the Montreal Protocol, ozone-depleted substances were reduced by over 99 percent. This has led to a significant recovery of the ozone layer. Except for the Arctic and the Antarctic, it can be expected that it will fully recovered by 2040. See http://www.neat-news.com/3421.php. #ozone_hole #recovery

Study: The ozone hole is healing, thanks to global reduction of CFCs
https://news.mit.edu/2025/study-healing-ozone-hole-global-reduction-cfcs-0305
#ycombinator #MIT_EAPS #Susan_Solomon #Peidong_Wang #atmospheric_chemistry #ozone_hole #Montreal_Protocol #Antarctic_ozone #ozone_depleting_substances #chlorofluorocarbons