World Ozone Day 2023: Every year, September 16 is celebrated worldwide as World Ozone Day. Today marks the entry into force of the Montreal Protocol, an environmental agreement that controls the production and consumption of nearly 100 synthetic compounds known as ozone-depleting substances (ODS).
A fragile gas shield known as the ozone layer protects the Earth from the sun’s destructive ultraviolet rays, preserving life on the planet. The Montreal Protocol and its goals will become clearer to you after reading this article.
World Ozone Day 2023: Theme
This year’s Ozone Day is being held under the theme Montreal Protocol: Repairing the Ozone Layer and Reducing Climate Change. This year’s theme emphasizes and reiterates the positive effect of the Montreal Protocol on the recovery of the ozone layer and the reduction of climate change. António Guterres, UN Secretary-General, said: “Limiting global temperature increases to 1.5 degrees Celsius is still possible if we immediately and drastically accelerate climate action.”
What is the Montreal Protocol?
The Montreal Protocol on Substances that Deplete the Ozone Layer is a treaty created to protect the Earth’s ozone layer by phasing out compounds that deplete it. It was adopted in 1987 and is the only UN pact that has been ratified by all 198 member states. The production and consumption of ozone-depleting chemicals are covered by this phase-out strategy.
According to the UN Environment Programme, “The Montreal Protocol provided a set of practical, feasible tasks on which universal agreement was reached. The Protocol has so far successfully met its goals and continues to protect the ozone layer today. Thanks to the joint efforts of nations around the world, the ozone layer is well on its way to recovery.”
How does the Montreal Protocol work?
The main goal of the Montreal Protocol is to protect the ozone layer by taking measures to control the total global production and consumption of substances that damage it, with the ultimate goal of their elimination based on the development of scientific knowledge and technological information.
- Regulation of ODS: The production and use of certain ODS, such as methyl chloroform, halons and chlorofluorocarbons (CFCs), are identified and regulated by the Montreal Protocol. Although these substances were often used in fire extinguishers, air conditioners, aerosol propellants and refrigerators, they were found to have a major negative impact on the ozone layer.
- Phasing: The Pact outlines a timeline for the progressive reduction of ODS consumption and production. In accordance with certain phase-out programs, member countries undertake to reduce their production and use of TOO until they are completely eliminated.
- Global cooperation: A relatively common global agreement, the Montreal Protocol has been signed by almost all countries of the world. Since national borders do not impose any limits on ozone depletion, this ensures that worldwide efforts to preserve the ozone layer are coordinated.
- Scientific assessment: The contract contains clauses calling for regular scientific assessment of the state of the ozone layer and the effects of ODS. This allows the phase-out schedule to be modified in line with the latest scientific information and research findings, ensuring that the process continues to effectively address ozone depletion.
- Technology transfer and research: The Montreal Protocol encourages the development and promotion of environmentally friendly substitutes for the ozone layer through technology transfer and research. This includes the creation and application of alternative materials and methods that are less harmful to the ozone layer and the environment.
The Montreal Protocol brought significant changes and progress in developed and developing countries. According to the UN, “All phase-out schedules were met in most cases, some even ahead of schedule. Attention initially focused on chemicals with greater ozone-depleting potential, including CFCs and halons. The HCFC phase-out schedule was more relaxed because of their lower ozone-depleting potential and because they have also been used as transitional replacements for CFCs.”
In conclusion, the Montreal Protocol offered an agreed set of useful, feasible tasks. The protocol still protects the ozone layer today and has so far achieved its goals. The ozone layer is making significant progress in recovery thanks to international cooperation.
Important days and dates in September 2023
Categories: Trends
Source: vcmp.edu.vn