Julia is joined by Tom Gill, head of sustainability at agri-food consultancy Promar International. Tom is an expert in sustainability and environmental footprinting who works with major retailers and agri-food companies on carbon footprinting and sustainability strategy. He talks to Julia about the challenges and opportunities around carbon, the different environmental labelling schemes that are coming to market and the dangers of zombie data when making sustainability claims. Articles discussed by Tom and Julia: PepsiCo squares up to supply chain emissions challenge | FT New environmental labelling system unveiled | Food Navigator Fashion firms using ‘zombie data’ to mislead on sustainability claims | edie Links to the big food and grocery retail stories this week: ‘Completely contradictory’: NFU leader attacks UK farming policy | The Guardian WRAP urges end to plastic packaging for fresh food | MRW Morrisons ditches plastic packaging for fresh milk | Food Manufacture Innocent Drink’s ‘greenwashing’ advert found misleading, rules ASA | Resource Kraft Heinz launches global plant-based joint venture | The Grocer Thousands of Asda lorry drivers ready to strike after rejecting pay deal | The Guardian Tesco and Gorillas extend rapid delivery partnership to Manchester | The Grocer Investors have a big appetite for Gousto | The Times