High-income countries...have very effective waste management infrastructure and systems; this means discarded plastic waste is stored in secure, closed landfill

High-income countries...have very effective waste management infrastructure and systems; this means discarded plastic waste is stored in secure, closed landfills. How does this match up to the estimates that "Roughly two-thirds of plastic waste in the UK is sent overseas to be recycled."[1]? Especially if some of that 'recycled' waste ends up in uncontrolled landfills. [1] https://www.bbc.co.uk/news/science-environment-49827945 https://www.bbc.co.uk/news/science-environment-49827945