The environmental group or protocol is Montreal Protocol. It is established in various countries for the protection of ozone.
A hole in ozone deserves attention. It is because it is an environmental crisis.
Ozone hole is an environmental issue. It could cause damage to life on earth.
Yes you do. It is an important environmental issue.
The chemical which manly caused the ozone hole is Chlorofluorocarbons. These are compounds made of chlorine and fluorine which deplete ozone in large amounts.
CFCs, or chlorofluorocarbons.
The name of the hole is ozone hole. It is the thinning of ozone layer.
Many countries have entered in to a pact to stop harmful chemicals that can destroy the ozone layer. Environmental awareness should be increased in order to save the ozone layer.
The ozone hole is a natural, repeating occurence. See "How did the ozone hole occur?"We may or may not make it "deeper", start sooner, get larger, last longer, but we do not have any part in making the hole. Nature does that on her own, when it is later winter / early spring at a pole.
See "What is the ozone hole?" in the "Related questions" section below.
Ozone hole is the thinning of ozone layer. It is due to ODS.
a hole in the ozone layer.
The ozone hole was discovered over Antarctica.