Manufacturing GHG Emissions Energy Intensity (tonne CO2 eq./TJ), 1990 & 2004 80 70 60 50 40 30 20 10 0 Petroleum Refining Pulp and Paper Iron and Steel Smelting and Refining Chemical Cement Other Manufacturing 1990 2004 ###>Le secteur de la foresterie, quant à lui, comprend l'exploitation