2023 Volume 79 Issue 27 Article ID: 23-27041
Kyoto City has announced its goal of achieving net zero carbon dioxide emissions by 2050, ahead of all other cities in Japan. Previous studies have quantified the city's net-zero emissions of energy-related carbon dioxide. In this study, we developed a method for creating decarbonized society scenarios that also take into account the waste sector. Then we examined the feasibility of achieving net zero carbon dioxide emissions in 2050 for Kyoto City by applying the method. The results showed that the city can achieve net zero carbon emissions in 2050 by reducing energy-related emissions through the use of renewable energy, electricity and hydrogen derived from renewable energy, and by the introduction of BECCS at waste incineration plants, so that emissions from the waste sector turn negative and the city's emissions are lower than the amount of carbon dioxide absorbed.
