Canada ram Ontario province ai Waterloo University in kin lailung nikhua danglam cakdaan le nikhua sa tete thula a zingzoihnak ah tunhlan ai ruathnak bangin Carbon dioxide (CO2) i loin Clorofluorocarbons (CFCs) maan tiin kum rai thah a zingzoihnak phuang ii. He thula heh International Journel of Modern Physics B thuthang ah phuang ii.
Tunhlan pah CFC heh kin lailung tuamtu Ozone hlivua hnawmruai thu ling tlan zo ii. Inapui roh ngaiin CFC naperdan zingzoi fangin CFC heh kin lailung nikhua lum ruaitu ber ah tel thu, Carbon Dioxide (CO2) maan i ber lo ti ii.
Qing-Bin Lu, physics and astronomy, biology and chemistry ai professor in “A tlangpui in lailung hlivua lum ruaitu ber heh Carbon Dioxide in ruat de ii. He thula heh tunhlan ai laivum ah ceetzung a suak pan dung ai dinhmun te pawl hlir le fangin dik lo ii,” ti ii.
“Mi tlangpui in (CO2) tam tete lekhaw lailung lum tete, sa tete tuhin ruat de ii. He heh 1850 dung pah cetin ruat le 2002 kum hleng fangin cia ruathnak bangin lailung heh sa lo ai a dap leh sawn ii. Cia heh kin hlivua ah CFCs tlawm zianzohnak thawn pehzom thiah ii. Kin zingzoihnak ah 1950 an 2002 kum tian lailung heh 0.6 °C in sa deuh ii. Inapui 2002 kum pah kin lailung heh a lum lam i loin dan tete sawn in. Lailung nikhua dap tete tuh heh kin lailung hlivua ah CFCs tlawm zianzo zah thawn pehzom in kum 50-70 song nikhua dap sinsin tuh ii.” tiin Professor Lu ih phuang ii.
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