Embodied Carbon Ranking of Construction Materials (Highest to Lowest)
Rank Material Typical Embodied Carbon (kg CO₂e/kg) 1 Primary Aluminium 8–18 2 Stainless Steel 5–7 3 Carbon Steel 1.7–2.8 4 Plastics 2–6 5 Portland Cement 0.75–0.95 6 Glass 0.8–1.5 7 Fired Clay Brick 0.20–0.45 8 Gypsum Board 0.20–0.35 9 Concrete 0.08–0.20 10 Natural Stone 0.05–0.20 11 Engineered Timber 0.05–0.15 12…