International Day for the Preservation of the Ozone layer

Q.  When was International Day for the Preservation of the Ozone layer was celebrated?
- Published on 20 Sep 15

a. 15 September
b. 16 September
c. 17 September
d. 5 June

ANSWER: 16 September
 
The year 2015 also marks the 30th anniversary of Vienna Convention for Protection of the Ozone Layer. The Montreal Protocol on Substances that Deplete the Ozone Layer was signed on September 16, 1987 and since then, this day us celebrated as the international dat for preservation of the ozone layer. The theme for this year's International Day for the Preservation of the Ozone layer was 30 Years of Healing the Ozone Together. The 2015 slogan was Ozone: All There is Between You and UV.

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