«It would be a tragedy for the world to gather up and destroy all the
halons and then have to come back a couple of years later and restart
production to supply airlines and the military,» says Taylor.
The stratospheric ozone layer has become substantially depleted throughout much of the globe since the 1980s because of enhanced human
production and use of ozone - depleting chemicals, such as chlorofluorocarbons,
halons, and others, during the 20th century.