2.5 Emission type (MMTCO2e)* 2.0 1.5 2008 2009 2010 2011 2012 Direct** 0.9 0.69 0.83 0.82 0.83 Indirect*** 1.13 1.05 1.13 1.49 1.59 Total 2.0 1.7 2.0 2.3 2.4 Normalized CO2e/ chip (2005=1) 0.72 0.75 0.57 0.70 0.59 Direct (Scope 1) emissions 1.0 Carbon dioxide (CO2) Methane (CH4) Nitrous oxide (N2O) 0.5 Hydrofluorocarbons (HFCs) Perfluorocarbons (PFCs) Sulphur hexafluoride (SF6) 0.0 Other: Nitrogen trifluoride (NF3) Indirect (Scope 2) emissions metric tons CO2e 84911.52 24.38 20465.87 17796.75 567820.31 62244.00 74011.60 metric tons CO2e CO2 1585331.39 N2O 2810.68 CH4 323.74 Total 2,416,000