99.0%
Ozone-Depleting Substances Phased Out Globally (UNEP / WMO 2026)
Global CFC Consumption (Thousand ODP Tonnes)
Montreal Protocol Milestones
1985
Antarctic Ozone Hole Discovered
British Antarctic Survey scientists discovered severe seasonal thinning of stratospheric ozone.
1987
Montreal Protocol Signed
Universally ratified international environmental treaty to freeze and phase out CFC production.
2026
99% Phased Out & Active Recovery
UN Scientific Assessment Panel confirms ozone layer on track to heal to 1980 levels by ~2066 over Antarctica.