This article was a few years ago so it would be really interesting to see if more people are now opting for sandwiches which are more plant bases and with fillings with a lower carbon footprint.
Fridge chillers in supermarkets are a big issue: keeping sandwiches chilled in supermarkets and shops accounts for up to a quarter of their greenhouse gas emissions.
The research team concluded that a combination of changes to recipes, packaging and waste disposal could halve the carbon footprint of the sandwich. Another reason to start making your own sandwiches and use Re-Wrap-It’s Wrappers to wrap up your sandwiches!
