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Tim Harford introduces inventions, ideas and innovations that have helped to create the modern economic world. It's improved health, school attendance, agricultural productivity.

It's improved health, school attendance, agricultural productivity and farm worker wages, but concrete has a poor reputation. It takes a lot of energy to produce and releases a great deal of CO2 in the process. However, architects appreciate its versatility and there are few more important inventions. Tim Harford tells the remarkable hidden story of a ubiquitous, unloved material.

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15 minutes

Last on

Thu 23 Mar 2017 12:04

Broadcast

  • Thu 23 Mar 2017 12:04

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