Abstract
This paper presents the latest update on the greenhouse gas inventory for the Philippines, with 1990 as the base year. The carbon dioxide sources covered in the inventory are fossil fuel burning, cement production, and land-use change and forestry. The net emission of carbon dioxide totaled 128,620 Gg CO2, of which land-use change and forestry accounted for 68%. The carbon dioxide emissions from biomass burning and bunker fuel consumption were not included in the total emission. The national methane emission of 1,026 Gg CH4 was estimated from biomass burning, coal mining and oil activities, rice cultivation, livestock production, and forestry and land-use change activities. Paddy rice cultivation, which is the largest source, accounted for 36% of the total. The emission factor used, which is one-fourth of the default value recommended by the IPCC, was based on a preliminary study made by the Philippine Rice Research Institute, in collaboration with the International Rice Research Institute.
Published Version
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