International Ozone Day 2015

International Ozone Day 2015

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Published

16 September 2015

This year marks the 30th anniversary of the Vienna Convention for the Protection of the Ozone Layer, an important milestone in the protection of the ozone layer. The theme for the celebration of the anniversary and this year’s International Day for the Preservation of the Ozone Layer, marked on 16 September is, “30 years of healing the ozone together.” The theme is supported by the slogan, “Ozone: All there is between you and UV.”    

The International Ozone Day is an annual event that commemorates the date of the signing, in 1987, of the Montreal Protocol on Substances that Deplete the Ozone Layer. In the last three decades, the Vienna Convention and its Montreal Protocol have galvanized 197 nations to work together on phasing out ozone-depleting substances, thus protecting the ozone layer for this and future generations and contributing significantly to global efforts to address climate change. 

“Together, we have succeeded in putting the stratospheric ozone layer on the road to recovery by the middle of this century. As a result, up to 2 million cases of skin cancer may be prevented each year, along with even more avoided cases of eye cataracts,” said U.N. Secretary-General Ban Ki-moon in a message.

“As we look forward to the adoption of the 2030 Agenda for Sustainable Development, and the effort by governments later this year in Paris to forge a new, collective path forward on climate change, the Montreal Protocol’s success should inspire us.  It shows what we are capable of when nations act together on a global challenge,” said Mr Ban Ki-Moon.

WMO and its Global Atmosphere Watch network monitor the state of the ozone layer. The first issue in the 2015 series of the Antarctic Ozone Bulletin was published 3 September, noting that some stations have started to measure the first signs of ozone depletion. Temperature conditions and the extent of polar stratospheric clouds so far indicate that the degree of ozone loss in 2015 will be similar to that observed in 2014 and 2013 and probably somewhat larger than in 2010 and 2012. 

Details of international Ozone Day are available here

Un Secretary-General message is available here

An extensive Scientific Assessment of Ozone Depletion 2014 was published last year by WMO and the United Nations Environment Programme (UNEP). It is available here

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