Dec 22, 2017 - The former heads of the UK’s biggest retailers have called for the introduction of a plastic free aisle at supermarkets. Plastic free aisle Former chiefs of Asda, Tesco, Marks and Spencer, and Argos, along with current bosses at Debenhams and Weleda said in an open letter that while aluminium and glass can be reused easily, plastic packaging cannot be recycled ad infinitum. “Most plastic packaging items can only be recycled twice before becoming unusable,” they insisted. “Regardless of how much is invested in Britain’s recycling infrastructure, virtually all plastic packaging will reach landfill or the bottom…