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The Climate Question

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Why we find it so hard to save our own planet, and how we might change that.

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The Climate Question: What can we learn from fixing the ozone hole?

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05/09/2022 GMT

What can we learn from fixing the ozone hole?

BBC World Service - The Climate Question, What can we learn from fixing the ozone hole?

Stories on why we find it so hard to save our own planet, and how we might change that.

In 1985 British scientist Jonathan Shanklin and colleagues published a study that shocked the world. The study revealed a hole in the Earth’s atmosphere right over Antarctica. It had been caused over time by chemicals known as CFCs, used in things like fridges, air conditioning units and aerosol cans. These were destroying the layer of ozone in the stratosphere which protects us from most of the sun's ultraviolet radiation - without it, cases of skin cancer would soar. Less than two years after the discovery, world leaders signed an agreement called the Montreal Protocol, committing to phase out CFCs. It has been described as the most successful international treaty of all time - every UN country has signed up, and ozone is expected to return to its previous levels around the middle of the century. So what can we learn from how we tackled the ozone hole in how we address climate change?

First broadcast -  29 Nov 2021

Presenters Neal Razzell and Kate Lamble are joined by: Jonathan Shanklin, Meterologist at the British Antarctic Survey, Dr Paul Newman, chief scientist for Earth Science at the Nasa Goddard Space Flight Center, Tina Birmpili, former executive secretary of the Ozone Secretariat, Dr Anita Ganesan, associate professor of Atmospheric Chemistry at the University of Bristol. Producer: Sophie Eastaugh Researcher: Natasha Fernandes

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What can we learn from fixing the ozone hole?

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