Protection of the ozone layer: A comment on the Montreal Protocol Author Elrifi I. Date 1990 Source IUCN (ID: MON-049522) Publisher | Place of publication McGill University, Faculty of Law | Montreal, Canada Language English Field of application International Country/Territory Canada, United States of America Subject Air & atmosphere Keyword Climate change Other references Treaty Montreal Protocol on Substances that Deplete the Ozone Layer Treaty | Multilateral | Montreal | Sep 16, 1987 Keyword: Ozone layer Source: IUCN (ID: TRE-000953)