The governments need to make it easier to recycle disposable coffee cups instead of the ban, a manufacturer has said.
The Scottish government has banned disposable cups, in its most important buildings.
The Welsh government said it would scrap the single-use plastics in their offices, up to the year 2021.
But Caerphilly-producer Paul Synott, said the bans were “unnecessary”, and all UK-produced cardboard could cups be recycled, with a better infrastructure.
Mr Synott, managing Director of Seda in Blackwood, spokesman for the paper-Cup-Alliance (PCA), said that despite the public perception, “all of the paper cups manufactured in the UK can be recycled”.
“It is a question of infrastructure – the collection of cups and they take, where they can be recycled.”
More than 99.75% of the disposable cups used to not get recycled in the UK.
Paper cups have a plastic lining to prevent liquid from soaking through, it can only be recycled at five recycling facilities in the UK, based in Cumbria, Halifax, Leeds, Cornwall, and Kent.
The PCA provides for the manufacturer wants to increase the governments and councils, the number of places to the recycling of paper cups and mechanisms, the transport to the processing plants.
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Mr Synott, said Seda and Wales’ other disposable-Cup-manufacturers – Benders in Wrexham – employed more than 500 people directly and about 250-300 people indirectly.
“The taxation of paper cups or the incentives to consumption-could cost jobs,” he added.
He said that the paper cups they were the best product in terms of food, hygiene and comfort.
The Welsh government was not able to confirm whether it’s plastic lined-coffee cups were used in his office, said plastic drinking straws, stirrers and Cutlery in canteens.
He said that charging employees 25p per disposable biodegradable Cup of coffee led to 75% of the hot drinks in their canteens, the reusable Cup.
A spokesman for the Welsh assembly said it scrapped plastic-lined paper coffee cups five years ago, and the staff and visitors were served cups of hot drinks in ceramic.
The Assembly is to be replaced to work, straws, plastic and disposable plastic water cups compostable or recyclable alternatives by September, he added.
The National Library of Wales in Aberystwyth, Ceredigion, said he moved to compostable cups, while public bodies, including the Equality and Human Rights Commission, national museums Wales, Estyn, Public Services Ombudsman for Wales and the children’s Commissioner for Wales, said employees and visitors took advantage of china cups.
Sport Wales said it planned to offer a loyalty rewards to encourage scheme to bring customers and employees reusable cups.
Single-use plastic cups, straws, and stirrers are banned on site at the Hay Festival and it is trialling a system in which reusable coffee cups are available and can be disposed of in allocated bins be washed and re-used.
The BBC said it would remove single-use plastic from the business activities up to the year 2020.