Category Archives: Policy related

New paper on the methodology behind the WWF-vegoguide

How can the environmental impact of plant based foods be evaluated and communicated to consumers?

In a new paper published in the Journal of Cleaner Production, Hanna Potter Karlsson and Elin Röös describe the methodology behind the WWF-vegoguide presented in another blogpost. The guide was developed in cooperation between the researchers and WWF in a process described in the Fig. 1 below. WWF was the project owner and were responsible for the final design decisions regarding aspects such as which products to include, target audience for the guide, evaluation criteria and thresholds. The researchers were responsible for collecting footprint data, test the evaluation criteria, and provided feedback on the design to WWF. Views on the guide from external stakeholders like consumer and trade organizations were consulted in workshops.

Fig. 1
Fig.1. Process of developing the Vego-guide.
From Karlsson Potter and Röös (2020). J of Clean Prod.

The environmental impact categories to include in the evaluation of the foods were selected from the planetary boundaries framework (Steffen et al., 2015) and the mid-point categories of ReCiPe (Huijbregts et al., 2016) based on a set of criteria including their relevance for plant-based products, importance for guiding consumers, availability of scientifically accepted evaluation methods and data availability. Four indicators were finaly chosen: climate impact, biodiversity impact, water and pesticide use. Thresholds for rating the different product as green star, green, yellow and orange were designed to be aliged with the WWF Meat guide and to relate to the absolute food system boundaries as presented in the EAT-Lancet report (Willett et al. 2019). All products were compared on a per kg basis despite their different functions and nutrient content, which instead were considered by applying different thresholds for food groups, e.g. the protein group was allowed a larger share of emission space as these are more demanding to produce and more valuable in diets than carbohydrates.  

Read the full paper here:

100 000 ton per year instead of 30 000 – updated data about food waste from Swedish retail stores

The elefant in the room in this new report, was the new data on retail waste – 100000 tons instead of 30000 tons -, which now is based on figures reported directly by the retail chains via the voluntary agreement instead of statistics based on a few stores combined with the number of employees. Expressen, a Swedish tabloid newpaper, made an interview with me and choosed to put focus on how the stores try to hide the food waste data, by not including rejected fruit and vegetables and returned unsold bread and dairy products. From my perspective, this actual behaviour is true, but the incentive is probably not to hide data from the public, but to shuffle the waste to other actors for economical reasons. I also think the newpaper “scope” about this could have been that the Swedish environmental protection agency previously used a method that only catched a third of the actual waste, besides that the now published “actual” waste does not include everything arising at retail level. /Ingrid Strid, food waste researcher at SLU

Oranges in nets are often wasted when one fruit gets bad.