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Do 29,000 coffee pods really go to landfill every minute?
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.
Podcast
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More or Less: Behind the Stats
Tim Harford investigates numbers in the news: are they always reliable?