But still on track to shrink? From your source (thank you for the read): > Claus concludes, “Based on the Montreal Protocol and the decrease of anthropogenic o

But still on track to shrink? From your source (thank you for the read): > Claus concludes, “Based on the Montreal Protocol and the decrease of anthropogenic ozone-depleting substances, scientists currently predict that the global ozone layer will reach its normal state again by around 2050.”