To measure the CO₂ footprint of each dish, origin, transport, season, convenience level, organic or non-organic were taken into account for the foods. A life cycle analysis was used to calculate their CO2 value.
However, to evaluate the dish in terms of its contribution to the carbon footprint, a comparative value is needed. For this purpose, Eaternity analyzed data from a total of 150 establishments. These establishments come exclusively from the system catering sector for business, industry, schools, universities, from the healthcare sector and the majority are located in Switzerland. Based on this data, an average value was determined, which forms the evaluation basis for the question of whether a dish (compared to the average) improves or worsens the carbon footprint or the water footprint.
Our dishes are evaluated in three categories: