Page 1 Page 2 Page 3 1 21 COP21 2015 12 2018 2018 2050Page 4 2Page 5 3Page 6 4Page 7 5Page 8 6Page 9 7Page 10 8Page 11 9Page 12 10Page 13 11 https://www.carbon-markets.go.jp/jcm/