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...s the main naturally occurring regulator of [[stratosphere|stratospheric]] ozone. It is also a major [[greenhouse gas]] and [[air pollutant]]. Considered ov ...p://www.newscientist.com/article/dn17698-laughing-gas-is-biggest-threat-to-ozone-layer.html Newscientist.com]</ref>

...[[HCFC]] blowing agents formerly used for this purpose, it has zero ozone depletion potential. However, it has a high global warming potential of 950 (950 tim

...lowing agents. Both are potent greenhouse gases, and HCFCs have some ozone depletion potential. ...g or settle." Icynene uses water for its spray application instead of any ozone depleting chemicals. Flammability is relatively low. Disadvantages: Expens

...s which have effects on ozone depletion and on global warming. Their ozone depletion potential is greatly reduced relative to [[chlorofluorocarbon]] (CFC) which ...timately, hydrofluorocarbons (HFCs) will replace HCFCs with essentially no ozone destruction.

...as "one-one-one". It has been phased out because of its [[Ozone depletion|ozone-depleting]] and [[central nervous system]]-depressing properties.

...sures (e.g. [[global warming]], acidification potential, toxicity, [[ozone depletion]] potentials) over the full life cycle of a product, a building assembly, o

...ons]] have been implicated in the [[ozone depletion|destruction]] of the [[ozone layer]].