Carbon labels providing information about the carbon footprints associated with food products might influence consumer purchases, which would have a differential effect on producers throughout global food chains. We first discuss why any labels work and then describe the mechanics of carbon...

Despite the presence of food miles labels and carbon labels on the market for many years, relatively little data is available on how consumers respond to these labels. It is one thing to show people saying in surveys they will use carbon labels, and quite another to have evidence of people...