By Professor Ian Williams and Alice Brock, University of Southampton
People are increasingly aware of the harm plastic waste causes to wildlife, and many would avoid buying single-use plastics if they could help it. But are the alternatives to plastic much better?
Let’s look at one example—fizzy drinks. You might assume that plastic bottles are the least green option, but is that always the case?
To find out, we compared five different types of pressurised drinks containers. We tested their environmental impact according to a range of criteria, including how each contributes to climate change and the pollution each produces during manufacture, use, and disposal.
Here they are, ranked from worst to best.
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