Antarctica khawmual vum ai Ozone hlivua paai rianro hnak tun a pha pan thu UN ai scientist te pawl in phuang hang ii.
He thuphuanghnak ah 2000 kum dung pah tunhlan kum 20 song ai kua sinsin hnak Ozone heh danglam lovin umh ii. Cetin 2006 kum an kum siar Antarctic vum ai Ozone heh 30 million square km a kua kau sinsin hnak heh tun mer lovin umh thu phuang ii.
Zuk: NASA in 1979 kum an 2010 tian Antarctic vum ai Ozone hlivua a kua daan a zukhnak te pawl ii.
Scientist te pawl in 1970 kum dung ah laivum ah ceet lam roh ngaiin khangso vut hnak in rong le thilri dap ruaihnak in hmanghnak chemical le aerosol can te pawl ah choloroflourocarbons (CFCs) maanin van ai Ozone hlivua heh hnawm rianro awng ii. Ciamaanin 1987 kum ah Montreal Protocol tihnak daan heh laivum konghoitu te pawl tawkdun in bawn ai laivum ah CFC tlawm tuhin fehpui ii.
Hetin laivum konghoitu te lungrualhnak le hmailam ruatin a tawlrelhnak maanin laivum tuamtu Ozone hlivua heh a hnawm sinsin tuhhnak tun tu hnawm beet lovin a pha lam pan sinsin hang ii.
Source: Reuters
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