Worldwide sales of crisps in 2021 totalled $32.2bn (£26.6bn), according to one study, and in the UK alone it is widely reported that six billion packets of crisps are consumed every year. Meanwhile, data for the US says Americans typically eat 1.85bn pounds (839m kg) of potato chips per year.
A problem with this consumption is the packaging – most crisps continue to be sold in single-use, non-recyclable plastic packets. These can take decades to finally decompose.
The biggest names in the crisps sector say they will need additional time to switch to more environmentally-friendly packaging.
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