The Inquiry: How Did We Save the Ozone Layer?

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The story of how environmental campaigners persuaded people to stop using aerosols. In this excerpt from The Inquiry, the former director of Friends of the Earth, Jonathan Porritt, tells us about the campaign he lead in the 1980s to stop the use of aerosols. The success of the campaign wasn’t just down to slogans and leaflets; he may have also had a little bit of unexpected help from Princess Diana. (Photo: Severe thinning of Earth's protective ozone layer found over Antarctica, by NASA scientists. Credit to: Getty Images)