Ozone depletion is irreversible.

Question

Quizplus · Accepted Answer

While the depletion of ozone in the upper atmosphere is a serious issue caused by human activities such as releasing chlorofluorocarbons (CFCs), efforts have been made to limit the production and use of ozone-depleting substances. As a result, the concentration of these substances in the atmosphere has been decreasing, and there are signs of recovery of the ozone layer. While complete recovery may take decades, it is not considered irreversible.

Ozone Depletion Is Irreversible