In the formula used to calculate the specific environmental indicators (resource efficiency) for the printing facilities of Axel Springer the specific resource (water, energy, paper, emissions, waste) is calculated in relation to a square meter of printed paperMit dieser Formel werden bei Axel Springer die spezifischen Umweltkennzahlen für die Druckstandorte berechnet: Indicators for material and energy flows: The indicators for efficiency in material and energy flows show how much paper, printing ink, energy, and water are used for each square meter of paper printed during the reporting period, by printing facility.