The modern world is built on steel but can it ever be green? Tom Heap and Helen Czerski search for the holy grail of environmentally friendly steel.

Panellists:

Ed Conway – Sky Economics & Data Editor and Author of “Material World”

Will Arnold – Head of Climate Action, The Institution of Structural Engineers Dr Abi Ackerman – Imperial College London Caroline Ashley – Director, SteelWatch Producer: Beth Sagar-Fenton

Rare Earth is produced in association with the Open University