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Atmospheric Science: Ozone-Destroying Chlorine Tops Out

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Science  05 Jan 1996:
Vol. 271, Issue 5245, pp. 32
DOI: 10.1126/science.271.5245.32a


The 1987 Montreal Protocol to restrict the use of ozone-destroying chemicals has scored a clear success: Chlorine levels have peaked and are on the way down. But continuing emissions of bromine, another ozone-destroyer, may slow the recovery of the stratospheric ozone layer.