How environmentally destructive is our thirst for coffee? Tim and the team investigate a claim that 29,000 coffee pods end up in landfill globally every minute with the help of Dr Ying Jiang, a senior lecturer in bioenergy from Cranfield University in the UK.

Presenter: Tim Harford
Producer: Perisha Kudhail
Editor: Richard Vadon
Sound engineer: Neil Churchill
Production co-ordinator: Brenda Brown

(Photo: coffee pod machine brewing coffee. Credit: Getty Images) Show less