1985 Fact Four #ozonelayer #antarctica

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The hole in the ozone layer was discovered by a team of British scientists from the British Antarctic Survey — most notably Joe Farman, Brian Gardiner, and Jonathan Shanklin. They weren’t using satellites or fancy space tech — just ground-based instruments at their Antarctic research station. While satellites had data showing the same trend, early software was programmed to ignore extreme drops as errors. The British team’s consistent, hands-on measurements revealed the alarming truth: a massive seasonal depletion in the ozone layer over Antarctica, largely caused by chlorofluorocarbons (CFCs). It was a discovery that changed environmental policy worldwide.

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