However this situation most significantly identifies those
processes that an enterprise cannot always control. In fact, reducing
GHG emission in the process that has the greatest impact (rawmaterials consumption) cannot be accomplished nowadays by
Tetra Pak, for reasons related to products performance and technology
limitations relevant to the rolling of aluminum.
It was therefore necessary in our study to redefine the boundaries
of the system with respect to those boundaries that were
considered in the initial phase.
The new boundaries were: