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Environmental effects of ozone depletion and its interaction with climate change: Progress report 2007

Författare:
  • Anthony Andrady
  • Pieter J. Aucamp
  • Alkiviadis F. Bais
  • Carlos L. Ballaré
  • Lars Olof Björn (Professor emeritus)
  • Janet F. Bornman
  • Martyn M. Caldwell
  • Anthony P. Cullen
  • David J. Erickson
  • Frank R. De Gruijl
  • Donat-P. Häder
  • Mohammad Ilyas
  • G. Kulandaivelu
  • H.D Kumar
  • Janice Longstreth
  • Richard L. McKenzie
  • Mary Norval
  • Nigel Paul
  • Halim Hamid Redhwi
  • Raymond C. Smith
  • Keith P. Solomon
  • Barbara Sulzberger
  • Yukio Takizawa
  • Xiaoyan Tang
  • Alan H. Teramura
  • Ayaiko Torikai
  • Jan C. van der Leun
  • Stephen R. Wilson
  • Robert C. Worrest
  • Richard G. Zepp
Publiceringsår: 2008
Språk: Engelska
Sidor: 15-27
Publikation/Tidskrift/Serie: Photochemical and Photobiological Sciences
Volym: 7
Nummer: 1
Dokumenttyp: Artikel
Förlag: Royal Society of Chemistry

Sammanfattning

This year theMontreal Protocol celebrates its 20th Anniversary. In September 1987, 24 countries signed the ‘Montreal Protocol on Substances that Deplete the Ozone Layer’. Today 191 countries have signed and have met strict commitments on phasing out of ozone depleting substances with the result that a 95% reduction of these substances has been achieved. The Montreal Protocol has also contributed to slowing the rate of global climate change, since most of the ozone depleting substances are also effective
greenhouse gases. Even though much has been achieved, the future of the stratospheric ozone layer relies on full compliance of the Montreal Protocol by all countries for the remaining substances, including methyl bromide, as well as strict monitoring of potential risks from the production of
substitute chemicals. Also the ozone depleting substances existing in banks and equipment need special attention to prevent their release to the stratosphere. Since many of the ozone depleting substances already in the atmosphere are long-lived, recovery cannot be immediate and present projections estimate a return to pre-1980 levels by 2050 to 2075. It has also been predicted that the interactions of the effects of the ozone layer and that of other climate change factors will become increasingly important.

Disputation

Nyckelord

  • Earth and Environmental Sciences
  • ultraviolet-B radiation UV-B ozone depletion climate change

Övriga

Published
Yes
  • ISSN: 1474-905X

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