1987 AD
Montreal Protocol
The Montreal Protocol united nations to phase out chemicals damaging the ozone layer.
- Time period
- 1987 AD
- Region
- Canada
- Theme
- Science
- Civilization
- Environmental policy
The Montreal Protocol was agreed on 16 September 1987 in Montreal, Canada. It entered into force on 1 January 1989. The treaty established controls to phase out the production and consumption of substances that deplete the ozone layer, including chlorofluorocarbons.