Hole in the ozone layer is finally 'healing'
![Beautiful wisps of stratospheric clouds over Antarctica with the sun on the horizon](http://www.abc.net.au/news/image/7556706-3x2-700x467.jpg)
The ozone hole over Antarctica is finally "healing" almost 30 years after the world banned the chemicals responsible for its creation, researchers say.
According to the latest measurements, the ozone hole above the Antarct
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