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Japan's National Greenhouse Gas Emissions in Fiscal Year 2013 (Preliminary Figures)

December 4, 2014

The Ministry of the Environment, Government of Japan, and the National Institute for Environmental Studies (NIES) have released Japan's National Greenhouse Gas Emissions (preliminary figures) in fiscal year (FY) 2013.

Japan's total greenhouse gas emissions in FY2013 were 1,395 million ton carbon dioxide (CO2) equivalent (Mt CO2 eq.). This is an increase of 1.6% (2.2 Mt CO2 eq.) when compared to the FY2012 emissions (1,373 Mt CO2 eq.), due to the increased fossil fuel consumption in the industries sector and commercial sector. It is also an increase of 1.3% (18 Mt CO2 eq.) when compared to the FY2005 emissions (1,377 Mt CO2 eq.), due to the increased fossil fuel consumption in response to the increase of thermal power generation, and the rise in hydrofluorocarbon (HFC) emissions from refrigerants, following their substitution in place of ozone-depleting substances.

In addition, nitrogen trifluoride (NF3) has been newly added to the estimation. NF3 emissions in FY2013 were 1.4 Mt CO2 eq., and some new gas species of HFCs and PFCs have been also added to the current estimation.

Note: Japan's fiscal year is from April 1 to March 31.

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