The group also engages in carbon offsetting for the operation of its data centres; p managing business premises In addition to renovating a large number of sites, Sopra Steria is gradually shifting to premises that meet the highest environmental standards on the market: energy-plus buildings, HQE® (high environmental quality), BBC (low energy consumption) and THPE (very high environmental performance) standards; p waste management The group has been working for several years with specialised companies to handle its IT-related waste equipment and its office supply waste.