Does glass need to be sorted by colour?

E159 - Does glass need to be sorted by colour?

Published: July 5, 2026

Duration: 4:49

A listener from Fife in Scotland, asks why their council replaced separate clear, green and brown bottle banks with a single mixed-glass recycling bin. We explain why glass colour still matters, how advances in sorting technology now allow recyclers to separate colours efficiently, and why simpler collections are becoming the norm. We also explore why different products use different coloured glass and reveal the curious imbalance between the UK's demand for clear glass bottles and its surplus of green glass from imported wine.

This episode of Recycled Content, is the 'Rubbish Question' from episode 79 of Talking Rubbish...