CO2 footprint is synonymous with COâ‚‚ footprint or carbon footprint: a measure, expressed in tons of CO2 , for CO2 emissions resulting from the use of fossil fuels in traffic, aviation, transport, electricity production, heating, et cetera, which in any case separately includes all scope 1 and 2 emissions. In the CO2 Performance Ladder, the scope 3 emission 'business travel' is also included as part of the CO2 footprint.
