The ozone hole has been “significantly large” for the past four years. Scientists warn that the Antarctic gap is bigger and deeper than ever, and say CFCs are not the only culprit.

New Zealand researchers report that the ozone hole has been extremely large and long-lived for the past four years.  The ozone hole in the image is recorded on October 3, 2022

Almost 36 years ago, experts agreed to ban the production of a harmful class of man-made chemicals known as CFCs. At the time, research showed that CFCs deplete the ozone …

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