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The hole in the ozone layer above Antarctica is continuing to recover and it is leading to changes in atmospheric circulation – the flow of air over Earth’s surface that causes winds.

Using data from satellite observations and climate simulations, Antara Banerjee at the University of Colorado Boulder and her colleagues modelled changing wind patterns related to the layer’s recovery. Its healing is largely thanks to the Montreal Protocol agreed internationally in 1987, which banned the production of ozone-depleting substances.

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