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Huge gaps in detection networks plague emissions monitoring

Plug gaps to measure ozone-destroying chemicals and greenhouse gases and verify compliance with Paris and Montreal treaties.
  1. Ray F. Weiss

    1. Ray F. Weiss is an analytical atmospheric chemist and distinguished professor emeritus at the Scripps Institution of Oceanography, University of California, San Diego, USA.

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  2. A. R. Ravishankara

    1. A. R. Ravishankara is an atmospheric chemist and university distinguished professor at Colorado State University in Fort Collins, USA.

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  3. Paul A. Newman

    1. Paul A. Newman is the chief scientist for Earth sciences at the NASA Goddard Space Flight Center in Greenbelt, Maryland, USA.

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In the decades after the 1987 Montreal Protocol, it seemed everything was on track to restore Earth’s protective stratospheric ozone layer. Then, in 2018, came an alarming discovery: fresh emissions of the forbidden chlorofluorocarbon-11 (CFC-11), which destroys the ozone layer. Its production and use had been banned globally in 2010.

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Nature 595, 491-493 (2021)

doi: https://doi.org/10.1038/d41586-021-01967-z

References

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Competing Interests

R.F.W. is a participant in the AGAGE project.

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