Reporting CO2
| Region |
1990 (kg CO2 / t clinker) |
2000 (kg CO2 / t clinker) |
2005 (kg CO2 / t clinker) |
2006 (kg CO2 / t clinker) |
2007 (kg CO2 / t clinker) |
| Africa + ME | 914 | 854 | 834 | 834 | 836 |
| Asia ex. China, India, CIS and Japan | 878 | 861 | 855 | 852 | 846 |
| Brazil | 858 | 829 | 837 | 832 | 836 |
| Central America | 849 | 851 | 872 | 873 | 875 |
| China | 1 070 | 950 | 923 | 887 | 876 |
| CIS | 946 | 928 | 896 | 909 | 942 |
| Europe | 909 | 880 | 867 | 865 | 869 |
| India | 936 | 839 | 831 | 833 | 836 |
| Japan Aus NZ | 842 | 837 | 830 | 830 | 841 |
| North America | 1 010 | 975 | 937 | 933 | 933 |
| South America ex. Brazil | 876 | 837 | 846 | 837 | 843 |