There’s a material world people don’t think about all that often. It’s the one that provides the raw metals and chemicals that keep economies and societies moving.

But, as Ed Conway, the economics editor of Sky News and author of Material World, says, people need to start thinking about it a lot. He joins this week’s Merryn Talks Money to discuss the six materials that shape our lives, and how they will continue to do so for some time to come. 

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