Plastic bans may lead to the increased use of alternatives such as glass or metal that may have a larger energy footprint and are linked to greater greenhouse gas emissions, Scotland's Heriot-Watt University says. "In many cases there is no credible alternative to using a plastic so we need to move towards a 'circular economy' for plastics, rather than the largely 'make-use-dispose' model we currently adopt," Professor David Bucknall says.
Report: Plastic bans may have unintended consequences
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