Could sandwiches be helping the spread of global warming? Buzz60’s Nick Cardona (@nickcardona93) has that story.
Researchers at The University of Manchester have carried out the first ever study looking at the carbon footprint of sandwiches, both home-made and pre-packaged. They considered the whole life cycle of sandwiches, including the production of ingredients, sandwiches and their packaging, as well as food waste discarded at home and elsewhere in the supply chain.
Altogether the team looked at 40 different sandwich types, recipes and combinations. They found the highest carbon footprints for the sandwiches with pork meat (bacon, ham or sausages) and those containing cheese or prawns.
Of the recipes considered, the most carbon-intensive variety is a ready-made ‘all-day breakfast’ sandwich which includes egg, bacon and sausage. The researchers estimate that this type of sandwich generates 1441 grams of carbon dioxide equivalent (CO2 eq.). This is equivalent to CO2 emissions from driving a car for 12 miles.
The sandwich with the lowest carbon emission equivalent is a simple home-made favourite, ham and cheese. The study also found that making your own sandwiches at home could reduce carbon emissions by a half compared to ready-made equivalents
Video by Buzz60/Nick Cardona[/vc_message]
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