Sentences with phrase «now hydrofluorocarbons»
To compound the problem, the liquids used for all this comfort — first chlorofluorocarbons and now hydrofluorocarbons — are super-strength greenhouse gases.
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Although the Montreal Protocol eliminated the use of most gases which were damaging the ozone layer, its job is not done as hydrofluorocarbons (HFCs)-- the chemicals which have replaced ozone - depleting substances — are now destroying our climate.
At Kigali in Rwanda, 170 countries signed a deal to curb the use of hydrofluorocarbons, powerful greenhouse gases now used in refrigeration and other technologies.
The class of chemicals called hydrofluorocarbons, used in refrigeration, have a greenhouse potency more than 1,000 times greater than carbon dioxide per molecule — but dissipate quickly in the atmosphere once emitted, so reducing them now can help avoid near - term climate impacts more effectively.