• [2013-03-11] NASA pinpoints causes of 2011 Arctic ozone hole
  + http://www.sciencedaily.com/releases/2013/03/130311173917.htm + http://onlinelibrary.wiley.com/doi/10.1002/jgrd.50181/abstract + http://www.nasa.gov/topics/earth/features/2011-ozone-hole.html + http://blogs.agu.org/geospace/2013/03/11/triple-blow-arctic-ozone/
  in Tietoukka Monitor > 2013 > 2013-11 with 2011 arctic stratospheric_ozone
• [2013-03-11] New Findings on Ozone Depletion - EU project RECONCILE: Climate change could affect recovery of the ozone layer
  + http://www.fz-juelich.de/SharedDocs/Pressemitteilungen/UK/EN/2013/13-03-11reconcile.html
  in Tietoukka Monitor > 2013 > 2013-11 with arctic stratospheric_ozone
• [2013-08-05] Ozone-protection treaty had climate benefits, too, study says
  + http://www.sciencedaily.com/releases/2013/08/130805143310.htm + http://www.ldeo.columbia.edu/news-events/ozone-protection-treaty-had-climate-benefits-too-study-says + http://journals.ametsoc.org/doi/abs/10.1175/JCLI-D-12-00675.1
  in Tietoukka Monitor > 2013 > 2013-32 with chlorofluorocarbons precipitation stratospheric_ozone

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