Ozone hole bigger than North America hits a 10-year high: what NASA says happens next

The hole in the ozone layer above Antarctica has grown to its biggest size in 10 years, covering an area larger than the whole of North America at its peak. NASA and NOAA have now laid out what caused it, how scientists measured it and how far the long road to recovery has come. Scientists at NASA and the US National Oceanic and Atmospheric Administration (NOAA) said the hole over the South…

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