International Day for the Preservation of the Ozone Layer

About This Event

The United Nations marks 16 September each year as the International Day for the Preservation of the Ozone Layer. The observance commemorates the signing of the Montreal Protocol and promotes global action to protect the ozone layer.

The day is used by the UN and partners to raise awareness of ozone depletion, the role of international cooperation, and the environmental and climate benefits of phasing out ozone-depleting substances.

The 2026 observance continues the annual World Ozone Day focus and is relevant to policy, refrigerants, and sustainability discussions for businesses.

Key Takeaways

• Useful for policy awareness, refrigerants, compliance, and corporate climate communications.

Who Should Attend

• Businesses, policymakers, educators, and sustainability teams.