The use and usefulness of carbon labelling food: A policy perspective from a survey of UK supermarket shoppers

► A survey of 428 supermarket shoppers evaluated the use of environmental food labels. ► Consumer demand is strong for carbon labels but interpretation can be confusing. ► Younger consumers favour of carbon labels most, but for within-product comparisons. ► The success of policy initiatives is limited whilst relying on consumer responsibility. ► More effective linkages between food policy and food market actors are needed.