The [ ban on chlorofluorocarbons ]( http://www.theguardian.com/environment/2014/sep/10/ozone-layer-recovery-report-shows ) is starting to reverse the former growth of the ozone hole.
Ссылка: https://stallman.org/archives/2014-jul-oct.html#12_September_2014_%28Reversal_of_ozone_hole_growth%29