All Montreal Protocol articles
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ResearchUnexplained increases in five atmospheric CFCs raise concerns
Emissions increased 2.6-fold between 2010 and 2020
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ResearchNewly identified greenhouse gas with no known use an ‘early warning’
Montreal Protocol doesn’t sufficiently control harmful by-products made during other chemical production processes, say atmospheric scientists
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ResearchChina identified as source of unexpected rise in CFC emissions
New production believed to be responsible for increasing levels of outlawed ozone-depleting chemical
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ResearchChloroform poses new threat to ozone recovery
Models of observational data trace anthropogenic emissions back to China
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NewsOzone healing confirmed in Montreal Protocol assessment
Latest projections say ozone levels in the stratosphere will recover around the middle of the century
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FeatureOzone: the hole story
There is still a long road to recovery for the ozone layer, Emma Stoye finds
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ResearchIllegal CFC production may be slowing ozone layer recovery
Surprise increase in trichlorofluoromethane emissions linked to east Asia
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ResearchOzone still declining in the lower stratosphere
The reason for the continuing drop in ozone levels is a mystery
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NewsChemicals strategy to lay out UK government aspirations after Brexit
Twenty-five year environment plan short on details
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OpinionThe dark side of dichloromethane
Policymakers and industry must take steps to curb emissions of popular solvent
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ResearchStratospheric dichloromethane could delay ozone recovery by decades
Rising levels of the industrial solvent could offset benefits of the Montreal Protocol