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Atmospheric chemistry

Stratospheric ozone loss by very short-lived substances

The ozone layer is slowly recovering due to the Montreal Protocol. The only exception is the ozone in the tropical lower stratosphere, which keeps decreasing. Now, a modelling study demonstrates that the tropical ozone loss is partly driven by ozone-depleting very short-lived substances that are not regulated by the Montreal Protocol.

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Fig. 1: Tropical ozone trend.


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Correspondence to Seok-Woo Son.

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Son, SW. Stratospheric ozone loss by very short-lived substances. Nat. Clim. Chang. 13, 509–510 (2023).

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