International Ozone Commission

Press Release: The International Ozone Commission, on the 36th anniversary of the Montreal Protocol, reports successes and new milestones for progressing toward ozone layer recovery

September 16th is the International Day for the Preservation of the Ozone Layer, celebrating the anniversary of the 1987 signing of the Montreal Protocol on Substances that Deplete the Ozone Layer.

The Montreal Protocol is the globally ratified treaty that controls the production and consumption of ozone depleting substances (ODSs) and many replacements for these substances.

The next Quadrennial Ozone Assessment will take place in Boulder, Colorado, USA on July 15-19, 2024

WMO recruits a scientific officer in charge of WMO work on the implementation of the Montreal Protocol on Substances that Deplete the Ozone Layer and its Vienna Convention

DEADLINE FOR APPLICATION: 18 April 2023

Press Release: The International Ozone Commission, on the 35th anniversary of the Montreal Protocol, reports new milestones in documenting ozone layer recovery

September 16^th is the International Day for the Preservation of the Ozone Layer, celebrating the 35^th signing anniversary of the 1987 Montreal Protocol treaty on Substances that Deplete the Ozone Layer. We would like to report success in the reduction of the ozone-depleting substances (ODSs) in the stratosphere by about 25 % since their peak in the late 1990s, which sets the ozone layer on the path of recovery by 2060.