On 17 July 2015, the Japanese government unveiled its Intended Nationally Determined Contribution (INDC) to reduce its greenhouse gas (GHG) emissions by 26% below FY 2013 levels by FY 2030 (25.4% reduction below FY 2005 levels). The government also approved the outlook for long-term energy supply and demand, which stipulates that in 2030 the share...