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Wildlife-Friendly Motorways

Motorways kill animals. That's unavoidable. But can road builders minimise the death toll with badger tunnels, bat flyovers, and green bridges covered in plants rather than tarmac? Tom Heap travels to the Gwent Levels and the Netherlands to find out.

Producer: Sarah Swadling.

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30 minutes

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What has happened to the world's coral?

What has happened to the world's coral?

In 2016 reefs around the world the size of city blocks died. Here we explore why.

Podcast