The Antarctic ozone hole is finally shrinking

In good news for the month, the Antarctic ozone hole (shown above as at 2006) has been shrinking since the year 2000, according to a recent article in Science. Various natural ups and downs have obscured this encouraging trend, which is also visible in the graph below (data from here):

The data shows that the 1987 Montreal Protocol, which phased out chlorofluorocarbons, is finally having an effect. The planet, in this respect, is indeed slowly healing. More details can be found in Science News.

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