| It has been measured anually since 1979 and is decreasing on an average of 9% a year. In 1994, nearly all the ozone around the Antarctic between altitudes of 8 and 11 miles have disappeared. Evidence form satelites today indicate that the ozone layer is thinning across the world. |
| The more we understand the ozone layer, the more we will be able to prevent further damage to the ozone layer, the atmosphere, and our Earth. |
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| Is it a Growing Problem? |