In a recent Article published in The Lancet Planetary Health, Jessica Laine and colleagues1 emphasised the relevance of the inter-relationship between dietary habits, human health, and planetary health. They showed an association of dietary greenhouse gas emissions with all-cause mortality and several forms of cause-specific mortality, and the incidence of cancer, based on a large cohort of almost half a million people from nine countries included in the European Prospective Investigation into Cancer and Nutrition (EPIC) study.