Ozone Layer Recovery Is Being Undermined by Pollution From U.S. Companies

THE GLOBAL RESPONSE to the “ozone hole,” as it came to be known in the 1970s, has long been held up as a model for environmental problem-solving — and the hope that we might yet be able to fix the climate crisis. After scientists realized that chemicals used for cooling and in aerosol sprays were causing the Earth’s protective ozone layer to thin, threatening to cause vast increases in cancers and other diseases, countries around the world came together to fix it.

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