Japan’s National Greenhouse Gas Emissions in Fiscal Year 2016 (Final Figures)
|The Ministry of the Environment and the National Institute for Environmental Studies have released Japan’s National Greenhouse Gas Emissions (final figures1) for fiscal year (FY) 2016.
Total emissions2 in FY2016 (final figures) were 1,307 million tonnes of carbon dioxide equivalents (Mt CO2 eq.), a 1.2% decrease compared to those of FY2015; a 7.3% decrease compared to FY2013; and a 5.2% decrease compared to FY2005.
The main factor for the lower emissions as compared to FY2015 is the decrease in energy-related CO2 emissions due to the decrease in energy consumption through energy conservation, and the increase in the share of non-fossil fuels within the domestic energy supply brought by the wider adoption of solar and wind power and resumption of nuclear power plant operation.
Under Articles 4 and 12 of the United Nations Framework Convention on Climate Change (hereinafter, the Convention) and relevant decisions adopted by the Conference of the Parties, the Annex I parties including Japan (i.e. developed countries) are required to prepare national greenhouse gas (GHG) inventories and submit them to the Secretariat of the Convention. Moreover, Article 7 of the Act on Promotion of Global Warming Countermeasures, which provides for domestic measures under the Convention, requires the Government of Japan to annually estimate and make public Japan’s GHG emissions and removals.
In accordance with these Articles, Japan’s GHG emissions in FY2016 were estimated.
Japan’s total greenhouse gas emissions in FY2016 were 1,307 million tonnes of carbon dioxide (CO2) equivalents (Mt CO2 eq.).
This is a decrease of 1.2% (16 Mt CO2 eq.) and 7.3% (103 Mt CO2 eq.) when compared to the FY2015 and FY2013 emissions (1,323 Mt CO2 eq. and 1,410 Mt CO2 eq.) respectively, mainly because of the decrease in energy-related CO2 emissions due to the decrease in energy consumption through energy conservation, and the increase in the share of non-fossil fuels within the domestic energy supply brought by the wider adoption of solar and wind power and resumption of nuclear power plant operation, despite the increase in hydrofluorocarbon emissions from refrigerants that substitute for ozone-depleting substances.
This is also a decrease of 5.2% (72 Mt CO2 eq.) when compared to the FY2005 emissions (1,379 Mt CO2 eq.), mainly due to the decrease in energy-related CO2 emissions owing to the decrease in energy consumption through energy conservation, despite the increase in hydrofluorocarbon emissions from refrigerants that substitute for ozone-depleting substances.
Removals by forest and other carbon sinks3 under the Kyoto Protocol in FY 2016 were 55.4 Mt CO2 eq., consisting of 47.5 Mt CO2 eq. by forest carbon sinks and 7.8 Mt CO2 eq. by cropland management, grazing land management, and urban revegetation.
2 There are some differences between the final figures compiled this time and preliminary figures corrected and released on January 9th, 2018, because some recalculation was conducted based on annual values in statistics and other data which were made available after the estimation of preliminary figures, and some estimation methods were further revised. The preliminary figures for GHG emissions in FY2016 were a 0.2% decrease compared to FY2015 (6.2% decrease and 4.6% decrease when compared to FY2013 and FY2005, respectively).
3 The removals by forest and other carbon sinks reported this time were estimated by calculating emissions/removals from activities under the Kyoto Protocol, in accordance with the decision of the 8th session of the Conference of the Parties serving as the meeting of the Kyoto Protocol.
April 24th, 2018
Ministry of the Environment
Government of Japan
Greenhouse Gas Inventory Office of Japan
National Institute for Environmental Studies
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