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The Montreal Protocol on Substances That Deplete the Ozone Layer is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. It was agreed on 16 September 1987, and entered into force on 1 January 1989.
- Ratification by 20 states
- 16 September 1987
- 1 January 1989 if 11 states have ratified by then.
- Montreal
The Montreal Protocol on Substances that Deplete the Ozone Layer is the landmark multilateral environmental agreement that regulates the production and consumption of nearly 100 man-made chemicals referred to as ozone depleting substances (ODS).
The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement to protect the Earth’s ozone layer by phasing out the chemicals that deplete it. This phase-out plan includes both the production and consumption of ozone-depleting substances.
Apr 5, 2024 · Montreal Protocol, international treaty, adopted in Montreal on September 16, 1987, that aimed to regulate the production and use of chemicals that contribute to the depletion of Earth’s ozone layer. Initially signed by 46 countries, the treaty now has nearly 200 signatories.
- The Editors of Encyclopaedia Britannica
Nov 20, 2017 · The Montreal Protocol is the first and only treaty ever to have been ratified by every nation on Earth. This has happened not just once, but six times over, including the underlying framework convention, the protocol, and its four amendments.
Jan 12, 2024 · The Montreal Protocol is signed by 197 countries – the first treaty in the history of the United Nations to achieve universal ratification – and is considered by many the most successful environmental global action.
The Montreal Protocol on Substances that Deplete the Ozone Layer. Preamble. Article 1: Definitions. Article 2: Control Measures. Article 2A: CFCs. Article 2B: Halons. Article 2C: Other fully halogenated CFCs. Article 2D: Carbon tetrachloride.
