Buzzi Unicem reduced its specific gross scope 1 CO2 emissions by 4% year-on-year to 664kg/t cementitious product in 2022 from 689kg/t in 2021. As part of its Sustainability Report for 2022 it revealed that specific CO2 emissions varied from a low of 500kg/t in Luxembourg to a high of 812kg/t in Ukraine. Its specific thermal consumption fell