Group ozone depletion is by CFC's. They react and deplete ozone.
The word ozone represents the same stuff in the French and English languages.
Halogens is the group. It causes ozone depletion.
It is called ozone depletion.
The environmental group or protocol is Montreal Protocol. It is established in various countries for the protection of ozone.
Greenhouse gases destroy ozone. They can cause ozone depletion.
The ozone holes is believed to be caused by a group of manufactured chemicals that contains chlorine and bromine.
Ozone is not an element. It is an allotrope of oxygen.
CFC's are the group of pollutant gases. They break up the ozone layer.
The French word for group is groupe.
CFCs, or chlorofluorocarbons.
"couche d'ozone" seems to have about 344,000 hits on French language websites.