Ozone gap: Why Antarctica’s wildlife is getting ‘sunburned’

A big group of ozone-depleting chemical substances have been accountable—primarily CFCs or chlorofluorocarbons—that have been used as refrigerants. Every nation agreed in 1987 to part out a bunch of ozone-depleting chemical substances. This was an settlement generally known as the Montreal Protocol and is taken into account essentially the most profitable environmental treaty in historical past.