Twenty Questions and Answers About the Ozone Layer: 2014 Update - Scientific Assessment of Ozone Depletion 2014

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dc.contributor.authorWorld Meteorological Organization
dc.contributor.authorUnited Nations Environment Programme
dc.contributor.authorNational Oceanic and Atmospheric Administration
dc.contributor.authorNational Aeronautics and Space Administration
dc.contributor.authorEuropean Commission
dc.contributor.organizationLaw Division
dc.contributor.otherHegglin, Michaela
dc.contributor.otherFahey, David
dc.contributor.otherMcFarland, Mack
dc.contributor.otherMontzka, Stephen
dc.contributor.otherNash, Eric
dc.date.accessioned2018-11-07T06:08:06Z
dc.date.available2018-11-07T06:08:06Z
dc.date.issued2015-01
dc.descriptionThis report provides a scientific update on the state of the stratospheric ozone layer and the impact of the Montreal Protocol. By synthesising data from atmospheric observations, laboratory studies, and computer modelling, the document examines the chemical processes driven by human-produced halogen source gases that lead to ozone depletion. Key findings indicate that global compliance with international regulations has successfully slowed the accumulation of ozone-depleting substances, with initial signs of recovery now detectable. The analysis highlights that while the Antarctic ozone hole remains a significant seasonal phenomenon, the ozone layer is projected to return to 1980 levels by the mid-twenty-first century. Furthermore, the report clarifies the complex relationship between ozone depletion and climate change, noting that many regulated substances are also potent greenhouse gases.en
dc.formatText
dc.identifier.isbn978-9966-076-02-1
dc.identifier.urihttps://wedocs.unep.org/handle/20.500.11822/26719
dc.languageEnglish
dc.page.number84 p.
dc.relation.ispartofOzonAction
dc.rights.accessLevelPublic
dc.subjectozone
dc.subjectozone-depleting substance
dc.subjectozone layer
dc.titleTwenty Questions and Answers About the Ozone Layer: 2014 Update - Scientific Assessment of Ozone Depletion 2014en
dc.typeTechnical report
wd.identifier.sdgiohttp://purl.unep.org/sdg/SDGIO_00000037
wd.identifier.sdgiohttp://purl.unep.org/sdg/SDGIO_00000047

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