Group ozone depletion is by CFC's. They react and deplete ozone.
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.
Each country emits CFC's. These are chemicals that harm the ozone.
Australia is the country. It has a lot a ozone depletion.
Greenhouse gases destroy ozone. They can cause ozone depletion.
Australia is not completely covered.. There is ozone hole there.
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.
germany
CFC's are the group of pollutant gases. They break up the ozone layer.