For millions of people, David Attenborough was the man who introduced us to the wonders of the natural world.

But, with Attenborough turning 100 years old on Friday, some are rethinking his legacy, and realising that his biggest achievement might have been missed entirely.

Today environment editor Nick O’Malley and former BBC arts director Jonty Claypole talk about how the world’s most famous naturalist changed our culture.

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