Glossary

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cullet
Crushed glass that has been cleaned and sorted by colour, ready to be melted and formed into new glass products. What happens to recycling: 4 materials through the UK system
materials recovery facility
A plant where mixed recycling is sorted by type using conveyors, magnets, optical scanners and manual pickers, then baled for dispatch to reprocessors. What happens to recycling: 4 materials through the UK system
waste hierarchy
A ranking of waste-management strategies by environmental impact, from most preferred (prevent waste) to least preferred (dispose in landfill). It guides decision-making by prioritising prevention, reuse and recycling over disposal. Circular economy meaning: how keeping things in use changes waste
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