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  • RESEARCH HIGHLIGHT

Vaunted treaty to protect the ozone layer has a hole

Industrial releases of bromoform, an ozone-depleting compound that is also emitted by seaweed, are much higher than expected.
Smoke billows from a coal-fired power station on Lamma Island, Hong Kong.

Coastal power plants are responsible for the bulk of human-made emissions of bromoform, which has a role in ozone depletion. Credit: Getty

The acclaimed agreement to protect the ozone layer might have a blind spot: emissions of a short-lived chemical from power plants, desalinization plants and ballast water from ships1.

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Nature 617, 655 (2023)

doi: https://doi.org/10.1038/d41586-023-01592-y

References

  1. Jia, Y. et al. Geophys. Res. Lett. 50, e2023GL102894 (2023).

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