This project was funded by WWF-UK as part of its One Planet Food Programme (2009-2012). The programme aims to reduce the global environmental and social impacts of UK food consumption and help safeguard the natural world, tackle climate change and the way we live. It is intended to stimulate debate about how changes in the UK diet may go some way towards achieving the programme goals outlined in Box 1. Given the short timeframe and scope of the present project, the work focused on the first of the One Planet Food Programme goals, which is to reduce GHGEs from.