Challenges relating to data and system delimitation in Life Cycle Assessments of food products

J.H. Schmidt,     Aalborg University, Denmark


This chapter describes the major challenges relating to LCA data and system delimitation when carrying out LCAs on products from the food industry. Food is characterised as a product where emissions related to the feedstock (agriculture) and electricity in the use (and processing) stage can be identified as hotspots. Calculation of environmental impacts from agricultural products and electricity are highly sensitive to the applied approach for modelling; consequential versus attributional. Both consequential and attributional modelling are demonstrated in different situations, and pros and ...

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