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  Hole in ozone layer could close by 2050
Updated 18 September 2002, 15.16

Scientists say the hole in the ozone layer over Antarctica could disappear within 50 years.

Experts from Australia and New Zealand reckon the ban on CFCs, the damaging chemicals found in fridges and aerosols, has helped restore the layer.

  Click here to find out about global warming and the ozone layer


CFCs were banned in many countries in the mid-1990s after it was found that they were breaking up the earth's ozone.

The ozone layer protects our planet from the sun's rays and is essential to life on Earth.

The southern continent of Antarctica has suffered the most damage from CFCs. At its largest the hole was about three times the size of Australia.

Scientists think the fact that the ozone layer now appears to be recovering is a great achievement and shows that countries working together can produce great results.

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