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Montreal protocol logo 2020. The montreal protocol is signed by 197 countries the first treaty in the history of the united nations to achieve universal. The montreal protocol and the vienna convention on september 16 2009 became the first treaties in the uns history to achieve universal ratification with all member states collectively making efforts to protect the ozone layer. The montreal protocol is a model of cooperation. Under the montreal protocol several international organizations report on the science of ozone depletion implement projects to help move away from ods and provide a forum for policy discussions.
16 1987 that aimed to regulate the production and use of chemicals that contribute to the depletion of earths ozone layer. The international treaty called the montreal protocol on substances that deplete the ozone layer montreal protocol exit is gradually eliminating the production and consumption of ozone depleting substances to limit their damage to the earths ozone layer. In honour of this important milestone the ozone secretariat and the global community are conducting the ozoneheroes campaign to celebrate the international agreements success in protecting earth against ozone. When released to the atmosphere those chemicals damage the stratospheric ozone layer earths protective shield that protects.
The montreal protocol 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. 978 9966 076 79 3 design layout and formatting. Initially signed by 46 countries the treaty now has nearly 200 signatories. The un says the montreal protocol has led to the phase out of 99 per cent of odss worldwide.
The montreal protocol on substances that deplete the ozone layer and its amendments control the phaseout of ods production and use. The montreal protocol on substances that deplete the ozone layer also known simply as the montreal protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletionsigned 26 august 1987 it was made pursuant to the 1985 vienna convention for the protection of the ozone layer which. Joint 12th conference of the parties to the vienna convention part iand 32nd meeting of the parties to the montreal protocol see the ozone secretariat website for further details. Montreal protocol international treaty adopted in montreal on sept.
It is a product of the recognition and international consensus that ozone depletion is a global problem both in terms of its causes and its effects.