The second step in analyzing a company’s sustainability measurements is to compare the data recorded in order to ascertain how these measurements change.
Comparing sustainability measurements over time
Measuring a company's environmental performances based on the same criteria at regular intervals makes it possible to compare them and ascertain how these measurements change. To achieve this, it is necessary to establish reference points over time.
Comparing sustainability measurements in different spaces
It is also possible to make comparisons between several production units of the same company in order to improve their overall performances. In this case, it is important to make sure that the data are collected in the same way for each unit and that the standardization factors taken into consideration are the same. The information relating to standardization factors is available in the section entitled “Standardization of environmental performance”: