Remove non-neutral points of view: the manufacture of such compounds has been phased out under the montreal protocol, and they are being replaced with other pollutants such as hfcs (e.g., r-410a), hydrocarbons, and co2, because cfcs contribute to ozone depletion in the upper atmosphere.
the manufacture of such compounds has been phased out under the montreal protocol, and they are being replaced with other products such as hfcs (e.g., r-410a), hydrocarbons, and co2, because cfcs contribute to ozone depletion in the upper atmosphere.