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Charging coffee drinkers for their disposable cups could cut their use by adult to 300 million a year in a UK, according to new research.
Academics during Cardiff University tested a array of measures to tackle coffee crater rubbish and inspire a use of reusable cups.
Report author Prof Wouter Poortinga pronounced some 2.5bn disposable cups were used annually.
The commentary are due to be submitted to a UK supervision exploration into waste.
Prof Poortinga found that a sustenance of giveaway reusable alternatives total with environmental messaging and a assign on disposable cups increasing a use of reusable cups in one cafeteria from 5.1% to 17.4%.
“Our formula uncover that, on average, a use of reusable coffee cups could be increasing by adult to 12.5% with a multiple of measures,” Prof Poortinga said.
“With this in mind, a UK’s use of an estimated 2.5bn disposable coffee cups any year could be cut by adult to 300 million coffee cups.”
‘Solution’
The many critical anticipating was that, while a assign on disposable cups increasing a use of reusable coffee cups, a bonus on reusable coffee cups had no impact on their usage.
Prof Poortinga said: “There is an critical shade when it comes to financial incentives.
“People are distant some-more supportive to rubbish than to gains when creation decisions – so if we unequivocally wish to change a customer’s poise afterwards a assign on a disposable crater is some-more expected to be effective.”
Cafes during Cardiff University, University of South Wales, University of Winchester and Imperial College London as good as other businesses took partial in a investigate of consumer poise that was consecrated by coffee and tea organisation Bewley’s.
Head of selling Louise Whitaker said: “There is a outrageous volume of rubbish being sent to landfill any year and compelling reusable cups is partial of a solution.”
Some multi-national coffee emporium bondage such as Costa and Starbucks have formerly told a BBC that they are also trying to tackle a issue .