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Montreal Protocol
Sign in to saveAlso known as Montreal Protocol on Substances that Deplete the Ozone Layer
environmental protocol designed to protect the ozone layer
Key facts
- Signed
- 16 September 1987
- Location
- Montreal
- Effective
- 1 January 1989 if 11 states have ratified by then
- Condition
- Ratification by 20 states
- Ratifiers
- 198 (all United Nations members, as well as the Cook Islands , Niue , the Holy See , Palestine , and the European Union )
- Depositary
- Secretary-General of the United Nations
- Languages
- Arabic, Chinese, English, French, Russian, and Spanish
via Wikipedia infobox
Wikidata facts
- Main subject
- chlorofluorocarbon
- Location
- Montreal
- Image
- Secretary Kerry Delivers Remarks About the Montreal Protocol in Kigali (30319892895).jpg
Show 8 more facts
- amended by
- Kigali Accord
- place of publication
- Montreal
- Commons category
- Montreal Protocol
- depositary
- United Nations Secretary-General
- point in time
- 1987-09-16
- language of work or name
- Chinese
- different from
- Montreal Convention
via Wikidata · CC0
~31 min read
Encyclopedic overview
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The Antarctic ozone hole (October 2024) 2012 retrospective video by NASA on the Montreal Protocol
Excerpted from Wikipedia’s “Montreal Protocol” article, available under the CC BY-SA 4.0 licence.