In a world ravaged by terror, politics and wars, it’s always nice to hear something positive. Global warming has been a thorn in humanity’s side for a long time, but recent research suggests that we may be making progress towards removing that thorn. A study published in the journal Science indicates that the Antarctic ozone layer is healing. Much of the progress is attributed to policy that cut the production of chemicals harmful to the ozone layer such as chlorofluorocarbons and halons. The elimination of these chemicals led to the gradual patching up of the ozone layer. The hole, discovered in 1985, led to the creation of the Montreal Protocol and is expected to be fully closed around 2050.

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