National Inventory Report

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Taiwan has carried out the statistics and compilation of greenhouse gas inventory in accordance with the 2006 IPCC Guidelines. Greenhouse gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O),  hydro fluorocarbons (HFCs) and perfluorocarbons (PFCs) as well as sulphur hexafluoride (SF6) and nitrogen trifluoride (NF3). And the sources of emission and removal of  Greenhouse gases are divided into five sectors, comprising Energy sector, Industrial Process and Product Use (IPPU) Sector, Agriculture Sector, Waste sector as well as Land use, land use change and forestry (LULUCF) sector.

 

GHG Emissions by Sector

Of all the sectors, the energy sector has long been the one accounting for the largest total greenhouse gas emission in Taiwan over the years. In 2005 and 2020, greenhouse gas emissions (excluding LULUCF) from energy sectors were responsible for approximately 85.99% and 90.97% of the total emissions, while the Industrial Process and Product Use (IPPU) sector accounted for 10.12% and 6.94%, the agricultural sector accounted for 1.37% and 1.17%, and the waste sector accounted for 2.52 % and 0.91%.

 

The total GHG emission in Taiwan in 2020 decreased by 1.71% compared with 2019. In particular, the GHG emission from the energy sector was down by 1.25%, the IPPU sector was down by 6.37%, the agriculture sector was up by 0.87%, and the waste sector was down by 1.14%. Additionally, the carbon dioxide sequestration of the land use, land use change and forestry sector was down by 0.05%.

 

Compared to 2005 (Base year), the emission in 2020 decreased by 1.87%. In particular, the GHG emission from the energy sector was up by 3.81%, the IPPU sector was down by 32.67%, the agriculture sector was down by 15.72%, and the waste sector was down by 64.43%. Additionally, the carbon dioxide sequestration of the land use, land use change and forestry sector was down by 1.73%.

 

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Figure 1. 1990-2020 Trends in Greenhouse Gas Emission by Sector in Taiwan

 

GHG Emissions by Gas

The comparison of statistics on various greenhouse gas emissions shows that carbon dioxide accounts for the majority of greenhouse gas emissions (excluding LULUCF) in Taiwan in 2005, accounting for 91.71%, followed by methane (3.27%), nitrous oxide (1.48%),and fluorinated greenhouse gas (3.54%) ;however, carbon dioxide was still the largest of proportion (95.29%) in 2020, followed by nitrous oxide (1.72%), methane (1.62%), and then fluorinated greenhouse gas (1.37%).

 

The total GHG emission in Taiwan in 2020 decreased by 1.71% compared with 2019. In particular, carbon dioxide emissions decreased by 0.82%; methane emissions decreased by 3.28%; nitrous oxide emissions increased by 0.02% and fluorinated greenhouse gas emissions increased by 1.32%.

 

Compared to 2005 (Base year), carbon dioxide emissions grew by 4.22%; methane emissions decreased by 45.68%; nitrous oxide emissions grew by 20.23% and fluorinated greenhouse gas emissions decreased by 62.02%.

 

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Figure 2. 1990-2020 Trends in Total Greenhouse Gas Emissions and Sequestration by Type in Taiwan

 

 

National Inventory Report

The National Inventory Report of the Republic of China (Taiwan) carried out the statistics and compilation in accordance with the 2006 IPCC Guidelines to actively demonstrate the efforts and resolution to abide by the convention. The National Inventory Report (NIR) was firstly published in 2014 and updated annually. Taiwan has established a greenhouse gas inventory database covering the period from 1990 to 2020 in the NIR 2022. The database provides an overview of greenhouse gas inventory statistics to reflect the GHG trends in Taiwan. It also aims to predict future greenhouse gas emissions and provide an overview of Taiwan's greenhouse gas emission trend. 

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2022 National Inventory Report_abstract
2022-10-10 pdf 114
Source:
Environmental Protection Administration, R.O.C.(Taiwan)
Updated:
2022-10-11
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