An audit shows supermarket customers are charged less for plastic-wrapped produce more than 70 per cent of the time, and conservationists say it’s hurting the environment. An audit shows supermarket customers are charged less for plastic-wrapped produce more than 70 per cent of the time, and conservationists say it’s hurting the environment. Supermarkets and Grocery Retailers, Recycling and Waste Management, Plastics, Polymers and Rubber Manufacturing, Government Policy, Pollution, Conservation Latest business news