Los Angeles Times

Editorial: That Antarctic ozone hole the world thought it was fixing? There may be a glitch

This is a problem the world thought it had fixed.

Scientists discovered in the 1980s that chlorofluorocarbons - used for refrigeration and in aerosol sprays - were creating a hole in the stratospheric ozone layer far above Antarctica, which could have devastating consequences for life on Earth. (Ozone absorbs much of the sun's cancer-causing and DNA-altering ultraviolet rays, keeping them from reaching the planet's surface.) So the world's nations came together in

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