Eating some sandwiches causes global warming, UK scientists say

Can the simple act of eating a sandwich really be bad for the environment?

New research by British scientists suggests a shocking response: Depends on the sandwich.

Researchers at the University of Manchester Thursday announced the results of what they claim to be "the first ever study looking at the carbon footprint of sandwiches, both home-made and pre-packaged."

Perhaps not surprisingly, the results are bad news for meat-eaters. The study found that sandwiches containing pork meat (that's bacon, ham and sausage), cheese and prawns contained the highest carbon footprints.

The worst of the lot, the so-called "all-day breakfast" sandwich containing egg, bacon and sausage, created the same carbon dioxide emissions as driving a car 12 miles.

The study took into account the environmental impact of raising various sandwich ingredients, processing them, transporting them, packaging them and refrigerating them before purchase and consumption....Read more


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