The Montreal Protocol protects the terrestrial carbon sink
Young, P. J., Harper, A. B., Huntingford, C., Paul, N. D., Morgenstern, O., Newman, P. A., … Garcia, R. R. (2021). The Montreal Protocol protects the terrestrial carbon sink. Nature, 596, 384-388. doi:10.1038/s41586-021-03737-3
Modelling suggests that the Montreal Protocol may be mitigating climate change by protecting the land carbon sink, as well as by protecting the ozone layer and reducing greenhouse gas emissions.