Human and Eco-toxicity impact categories were excluded due to
inconsistency issues on inventory data coming from different
background databases (European Bioplastics, 2012). For this reason
we decided not to use the ILCD method. Even though other impact
categories such as water footprint, impact on biodiversity, land use,
etc. can be relevant, international consensus has not been reached
on these methods. Furthermore, current methods that include
impacts on land use have not been specifically developed for
assessing the complete range of land-use impacts of bio-based
materials (Pawelzik et al., 2013). Consequently, land use and water
footprint were not considered in order to minimize the uncertainty
of the results.