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This year, Nature celebrates its 150th birthday. To mark this anniversary we\\u2019re rebroadcasting episodes from our PastCast series, highlighting key moments in the history of science.

The discovery of the ozone hole in the mid-1980s was a shock. Scientists suspected that man-made gases called CFCs were damaging the ozone layer, but they didn\\u2019t expect to see such a dramatic decline. Nor did they expect the discovery to be made by a small group of British scientists in Antarctica. In this podcast, we hear from the \\u2018little voice\\u2019 in the background whose persistence led to the reporting of the reduced ozone in Nature in May 1985. But how did it become known as the \\u2018ozone hole\\u2019? And what lessons are there for climate change scientists today?

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