Global warming implications of facade parameters: A life cycle assessment of residential buildings in Bahrain

► Life cycle carbon assessment of façade parameters. ► Greatest environmental impact occurs during the operational phase. ► Masonry blocks are responsible for 70-90% of the total CO2 emissions of facade construction. ► Window contribution of CO2 emissions depends on the number and size of windows. ► Without insulation, AAC walls offer more savings in CO2 emissions.