english: When the Montreal Protocol called for the phasing out of CFCs, the chlorofluorocarbons implicated in the hole in the ozone layer, the risks were immense.
non_english: Kada je Montrealski protokol pozvao na promene u lučenju hlorofluorkarbonata, hlorofluorkarbonate krive za rupe u ozonu, rizik je bio ogroman.