Effects of carbon emission mitigation options under carbon concentration stabilization scenarios

  • Mori S
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This paper evaluates the effects of carbon emission mitigation options from a long-range perspective using an integrated assessment model called MARIA {Multiregional Approach for Resource and Industry Allocation), This mode! has been developed to assess the potential contribution of fossil, biomass. nuclear, and other energy technologies and land-use changes to future greenhouse gas (GHG) emissions incorporating a simple carbon cycle and climate change model. Two types of policy options play major roles in the GHG mitigation debate; short-term economic instruments and long-term technological options. This paper describes how the model was applied to assess carbon emission stabilization options and strategies based on narrative storylines. The main focus is the long-term assesstnents of biomass utilization, nuclear power technologies, and carbon sequestration options for stabilizing the atmospheric carbon concentration at 450, 550. and 650ppmv. The results indicate that zero-carbon technologies such as the fast breeder reactor and carbon sequestration technologies can make a significant contribution toward emissions mitigation especially when drastic reductions are envisaged, but the "nuclear phasing out" scenario is still possible. Expansion of biomass appears to be robust.

Author-supplied keywords

  • Carbon concentration stabilization
  • Carbon disposal technologies
  • Global warming
  • Integrated assessment
  • Nuclear power

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  • Shunsuke Mori

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