Supermarkets under pressure to reveal amount of plastic they create

Leading UK retailers say information is too 'commercially sensitive' to reveal, following Guardian report they make almost 1m tonnes a year

• Nearly 1m tonnes every year: supermarkets shamed for plastic packaging

Supermarkets are coming under growing pressure from politicians and campaigners to reveal the amount of plastic they create, and pay more towards its safe disposal, following a Guardian investigation.

Amid mounting concern about the devastating environmental impact of plastic pollution around the globe, the Guardian revealed on Wednesday that the UK's leading supermarkets create almost 1m tonnes of plastic packaging waste every year.