ENVIRONMENTAL – GRI Management approach (Materials 301 – Energy 302 – Water and Effluents 303 – Emissions 305 – Waste 306 – Supplier Environmental Assessment 308) Since 2017, the CEB has been working with GreenFlex and its “custom-made” GreenFlex IQ platform to obtain a more precise measurement of some environmental indicators (especially energy metrics), and to extend the environmental management approach to new topics: logistics, indirect GHG emissions (life-cycle analysis of goods, e.g. IT equipment), non-physical services, water consumption, etc.