Jan 28, 2019
Plastic or paper: Which bag is greener?
In 2011 a research paper produced by the Northern Ireland Assembly said it "Takes more than four times as much energy to manufacture a paper bag as it does to manufacture a plastic bag." In 2006, the Environment Agency examined a range of bags made from different materials to find out how many times they need to be reused in order to have a lower global warming potential than a conventional single-use plastic bag. The study found paper bags needed to be reused at least three times, one fewer than plastic bags for life. Morrisons insists there is no reason its paper bag cannot be reused as many times as the plastic one it is replacing, although it depends on how the bag is treated. Paper bags require marginally fewer reuses than bags for life to make them more environmentally friendly than single-use plastic bags.
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