History of Ozone hole

	Revision 7 . . (edit) October 28, 2001 2:03 pm by Zundark [ultra-violet -> ultraviolet]
	Revision 6 . . October 3, 2001 3:10 am by Alan D [NPOV, addressed the "extra UV just creates more ozone" criticism.]
	Revision 5 . . October 2, 2001 10:36 pm by Ansible [fixed some grammar and spelling problems, other minor technical corrections, still needs more work]

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