We thought the ozone hole was a thing of the past

Ozone layer not recovering over populated areas

While the hole over Antarctica has been closing, the protective ozone is thinning at the lower latitudes, where the sunlight is stronger and billions of people live.

The message for us on Climate Change is that once we have messed up it can take a long time to clean up the mess and some good news on improvement in one area should not cover up bad news in other areas.

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