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A little ray of light in a dark world – the hole in the ozone layer is getting smaller due to the measures we are all taking to cut down and out on CFCs . But it won’t be at safer 1960s level until about 2050, so we all need to keep up the good work.

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Finally some good news regarding the health of our planet: The hole in the ozone layer over Antarctica appears to have shrunk.

According to the European Space Agency’s MetOp weather satellite, the ozone hole’s size is at a record low. Per the satellite’s data from 2012, hole was the smallest it has been in the last decade.

Scroll down for a photo of the ozone hole.

LiveScience notes that the hole over Antarctica first appeared in the early 1980s and resulted from the use of chlorofluorocarbons (CFCs) and other ozone-depleting chemicals. It typically occurs from September through November, as a result of high winds, which channel cold air across the continent. Ozone-depleting chemicals are most damaging in cold weather.

In 2012, “It happened to be a bit warmer… in the atmosphere above Antarctica, and that meant we didn’t see quite as much ozone depletion as we saw [in 2011]…

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