Very short-lived halogens amplify ozone depletion trends in the tropical lower stratosphere

Nature Climate Change, Published online: 25 May 2023; doi:10.1038/s41558-023-01671-y

In contrast to the overall recovery of stratospheric ozone, ozone depletion in the tropical lower stratosphere has been ongoing over recent years. Here the authors show that currently unregulated halogenated ozone-depleting very short-lived substances play a key role in this ongoing depletion.