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This report analyzes the greenhouse gas (GHG) and air pollutant emissions of 15 alternative fates for woody biomass residues in the Pacific Northwest and Alaska, comparing them to common practices of on-site combustion and decomposition. Using a "post-harvest to grave" life cycle approach, the study evaluates carbon dioxide, methane, nitrous oxide, carbon monoxide, and fine particulate matter (PM2.5). The findings indicate that displacing fossil fuels with biomass residues generally reduces net GHG emissions, while industrial facilities with emission controls significantly reduce CO and PM2.5 compared to uncontrolled on-site burning.