https://www.latimes.com/archives/la-xpm-1988-12-17-me-206-story.html
Arctic Ozone Loss Held Bigger Threat : More Populous Region Periled by Depletion Over North Pole -...
Dec 17, 1988 - The depletion of ozone over the North Pole may be a greater threat than the more extensive weakening of the vital protective layer over Antarctica because the...