Prime Minister Yoshihide Suga states in his general policy speech that greenhouse gas emissions are to be virtually zero by 2050. (October 26th, 2020, Photo: UPI/Aflo)
Fig. 1 Temperature rise scenario up to 2100 (IPCC).
拡大画像表示
Fig. 2 Outlook for CO2 emissions (IEA).
Fig. 3 Cost-effectiveness of global warming prevention (Nordhaus).