The new Montreal Protocol: A small step for the protection of the ozone layer, a big step for international law Author Ott H. Journal/Series Verfassung und Recht in Übersee | Vol. 24(2); DM 30,-; 188 - 208; 21 p. Date 1991 Source IUCN (ID: ANA-047738) Publisher | Place of publication Hamburger Gesellschaft für Völkerrecht und Auswärtige Politik e.V. | Hamburg, Germany Document type Article in periodical Language English Field of application International Subject Air & atmosphere Keyword Ozone layer Other references Treaty Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer Treaty | Multilateral | Copenhagen | Nov 25, 1992 Keyword: Ozone layer Source: IUCN (ID: TRE-001165) Treaty Montreal Protocol on Substances that Deplete the Ozone Layer Treaty | Multilateral | Montreal | Sep 16, 1987 Keyword: Ozone layer Source: IUCN (ID: TRE-000953) Treaty Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer Treaty | Multilateral | London | Jun 29, 1990 Keyword: Ozone layer Source: IUCN (ID: TRE-001102)