This is why they supposedly want to get rid of it.
Methyl Bromide AlternativesUC scientists are working on alternatives to methyl bromide - used for years as a soil fumigant, particularly in strawberry fields. Methyl bromide is an odorless, colorless gas that the Environmental Protection Agency has classified as an ozone-depleting substance and a national phase-out is currently underway.
and why it's a scam.
Is the Ozone Layer Threatened?VIDEOhttp://blip.tv/play/hdlBgYjMWwIDr. Baliunas is a Senior Scientist at the George C. Marshall Institute and the Harvard-Smithsonian Astrophysical Observatory. Doctors for Disaster Preparedness 13th Annual Meeting Grants Pass, OR. Aug. 1995
Dr. Baliunas shows how the ozone layer depletion scare was just the first stage in the global warming scam. It is not disappearing and it never was. It does not protect us from cancer causing rays and never did.
http://www.ddponline.org/audio-video/category/1995-annual-meeting