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Earth

A rich new history of our obsession with extracting Earth's resources

Philip Marsden's book Under a Metal Sky is an engrossing look at how we have excavated key metals and rocks over the millennia. It's a story shot through with awe, power, greed and hubris

By Adam Weymouth

28 May 2025

F5F7KW Wheal Coates; Engine House; Sunset; St Agnes; Cornwall; UK

Sunset over the ruins of Wheal Coates in Cornwall, once among the UK’s most important tin mines

David Chapman/Alamy

Under a Metal Sky
Philip Marsden (Granta (UK, on sale) Counterpoint (US, 4 November))

Travel writer Philip Marsden lives on the river Fal in Cornwall, UK. About 3500 years ago, after a little tin was added to copper and the Bronze Age was set in motion, vast quantities of tin from the mines inland made their way down this river, across to Europe and beyond. As copper had and iron later would, bronze revolutionised our lives. It shaped how we…

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