Pathways to Deep Decarbonization in Japan
To achieve the political mitigation target of reducing 80% of greenhouse gas (GHG) emissions by 2050 with reduced nuclear dependence, Japan must conduct an ambitious transformation built on two major components: i) reduction of energy demand through deployment of highly energy-efficient technologies, and ii) increase of low-carbon ener- gies, such as renewable energies and fossil fuels with carbon capture and storage (CCS). In this study, three Deep-Decarbonization Pathways are defined for Japan, each meeting the 2050 mitigation target, while considering different assumptions regarding the availability of low-carbon technologies. The assessments of these scenarios, using AIM/Enduse and AIM/CGE models, demonstrate that they correspond to realistic transformations and help to identify the conditions for their implementation.
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