Amendments to the Montreal Protocol 1987 (substances that deplete the ozone layer)—snapshot

The following Environment practice note provides comprehensive and up to date legal information covering:

  • Amendments to the Montreal Protocol 1987 (substances that deplete the ozone layer)—snapshot
  • Article 5 countries
  • Summary of the current control measures
  • Decisions of the meeting of the parties
  • The Secretariat
  • Levels of consumption
  • Annexes
  • London Amendment 1990
  • What did the amendment do?
  • Key provisions
  • More...

Amendments to the Montreal Protocol 1987 (substances that deplete the ozone layer)—snapshot

The Montreal Protocol is designed to reduce the production and consumption of ozone depleting substances (ODSs) in order to protect the ozone layer. The original protocol was agreed on 16 September 1987 and entered into force on 1 January 1989. See Practice Note: Montreal Protocol 1987 (substances that deplete the ozone layer)—snapshot.

There have been several revisions to the Montreal Protocol, with five principal amendments:

  1. London Amendment 1990

  2. Copenhagen Amendment 1992

  3. Montreal Amendment 1997

  4. Beijing Amendment 1999

  5. Kigali Amendment 2016

Article 5 countries

An Article 5 country is one which is developing and whose consumption of the Annex A controlled substances is less than 0.3 kilograms per capita up until 1999.

Summary of the current control measures

A summary of the current control measures taking into account all the Amendments can be found on the United Nations Environment Programme (UNEP) Ozone website.

Decisions of the meeting of the parties

A list of the decisions of the meeting of the parties can be found on the UNEP Ozone website.

The Secretariat

The Ozone Secretariat is the Secretariat for the Vienna Convention for the Protection of the Ozone Layer and for the Montreal Protocol on Substances that Deplete the Ozone Layer. The Secretariat is based at the UNEP offices in Nairobi (Kenya). The Secretariat functions in accordance with Article 7 of the Vienna Convention

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