Scientific assessment of ozone depletion: 2018 - executive summary

  • 05/11/2018
  • WMO

The latest Scientific Assessment of Ozone Depletion reveals a healing ozone layer, global warming reduction potential, and options for more ambitious climate action. The quadrennial review from the Scientific Assessment Panel of the Montreal Protocol will be presented at the 30th Meeting of the Parties to this historic accord. Its findings confirm first and foremost that actions taken under the Montreal Protocol have led to long-term decreases in the atmospheric abundance of controlled ozone-depleting substances (ODSs) and the ongoing recovery of stratospheric ozone.

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