The committee collected heating and electricity consumption data for the unit's buildings (IUT Bourges and Polytech'Galilée). Based on this data, all the missions carried out by laboratory members and the home/work journeys declared by its members, the committee has drawn up a balance sheet of greenhouse gas emissions (BGES) via the Labos1point5 collective, for 2019 and 2020, enabling the number of tonnes of CO2 equivalent emitted by the laboratory to be measured.