International Day for Preservation of Ozone Layer observed – PakTribune.com


International Day for Preservation of Ozone Layer observed
PakTribune.com
ISLAMABAD: The International Day for the Preservation of the Ozone o3 Layer was observed on Monday with the theme "A Healthy Atmosphere, the Future We Want". The United Nations' Environment Programme dedicated the day in 1994 to sensitise the world ...
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