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OZONE LAYER RECOVERY

Anthropogenic chlorine under watch

Atmospheric levels of chloroform, an ozone-depleting substance not part of the Montreal Protocol, have risen. The increase may be attributable to industrial emissions in Eastern China.

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Fig. 1: Long-lived and short-lived halogen source gases.

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Correspondence to Susann Tegtmeier.

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Tegtmeier, S. Anthropogenic chlorine under watch. Nature Geosci 12, 84–86 (2019). https://doi.org/10.1038/s41561-018-0282-6

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