Science of Summer: After damage from gases, ozone layer is ‘healing’
Ottawa Citizen

This was posted more than 12 months ago. The information may be outdated.

By Tom Spears, Ottawa Citizen, July 27, 2016

This summer, Postmedia’s Tom Spears brings you the often offbeat science behind the season that calls us to go outdoors. It’s a series we call the Science of Summer. Today he looks at an environmental disaster that is slowly turning into a victory.

I was in school back in 1974 when two California scientists published a study with the prosaic title “Stratospheric sink for chlorofluoromethanes.”