BBC: The practicalities of plans to introduce carbon footprint labelling on food are being questioned by growers in Guernsey. The UK’s Carbon Trust is working with manufacturers to make the change, in addition to the current nutritional information. But Alan Dorey, president of the Guernsey Growers Association, said the theory might not work in practice. He said it would be difficult to decide which carbon inputs to include. Simple Choices Mr Dorey said: “If we …