International Day for the Preservation of the Ozone Layer: History, Impact, and Future
| Aspect | Details |
|---|---|
| Date of Observance | September 16 |
| Purpose | International Day for the Preservation of the Ozone Layer |
| Commemorates | Signing of the Montreal Protocol in 1987 |
| Recent Development | Kigali Amendment (October 15, 2016) |
| Objective of Kigali Amendment | Phase down hydrofluorocarbons (HFCs) |
| Key Impacts | Protection of ozone layer, climate change mitigation, protection of human health and ecosystems |
| Ozone Layer Functions | Filters UV radiation, maintains temperature balance, supports ecosystem and human health |
| Ozone-Depleting Substances | Methyl bromide, methyl chloroform, carbon tetrachloride, halons, CFCs, HCFCs |
| International Response | Vienna Convention (March 22, 1985) |
| Montreal Protocol | Drafted in September 1987, aims to protect ozone layer, control production and consumption of ozone-depleting substances |
| Key Features | Controls nearly 100 chemicals, sets phase-out timetelines, allows exceptions for essential uses |
| Implementation Progress | Successful phase-out schedules, universal ratification achieved on September 16, 2009 |
| Future Focus | Deeper and faster action under Montreal Protocol, addressing ozone protection and climate change, developing sustainable alternatives |