Tags - ozone

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Tags - ozone
TEHRAN, January 6 - The hole in the ozone layer may be on the mend, says a NASA study released on Thursday, January 04.
News ID: 17578    Publish Date : 2018/01/06

TEHRAN, November 5 -The ozone hole over Antarctica shrank to its smallest peak since 1988, NASA said on Thursday.
News ID: 15268    Publish Date : 2017/11/05