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What impact has the Montreal Protocol had on the ozone layer?
Original: Ozone layer: What impact has the Montreal Protocol had?
The Montreal Protocol, the 1987 treaty that phased out ozone-depleting substances such as CFCs, is being revisited as a landmark example of successful global environmental cooperation. Observers point to evidence that the ozone layer is gradually recovering and highlight the treaty's climate benefits, while debates continue over enforcement gaps and remaining challenges.
Why now: The anniversary of or renewed attention on the Montreal Protocol has prompted reflection on its effectiveness in healing the ozone layer.
Montreal Protocolozone layerWorld Economic ForumUnited Nations
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- Ozone layer: What impact has the Montreal Protocol had? · World Economic Forum
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