GX & Decarbonization Research

Makoto Saito, Hiroko Yamada, Tomohiro Oda

This paper presents NEMS-GHG, a framework for modeling monthly fossil fuel CO2 emissions at 1 km resolution across Japan. The 2015 estimates closely match national inventory totals and capture subnational variations, enabling identification…

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This study proposes a 'Regional Carbon Circulation Rate' for small municipalities that have declared zero-carbon cities. The metric visualizes the balance between emissions and sinks within the region, aiding local governments in decarboniz…

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The second edition of these guidelines revises the methodology for evaluating GHG emission reduction contributions from product diffusion across countries and regions. It provides a calculation approach that accounts for global spread, appl…

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This paper reviews various guidance on evaluating greenhouse gas emission reduction contributions, comparing their characteristics. It clarifies differences in frameworks and calculation methods for quantifying corporate emission reductions…

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This study estimates and analyzes greenhouse gas emissions in Minamata City, an environmental model city in Japan. It assesses reduction potentials across sectors and provides insights for local decarbonization strategies. The findings cont…

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This paper describes the development of a database of greenhouse gas emissions for Japanese listed companies using publicly available information. It aims to facilitate analysis of corporate emissions and promote disclosure.

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This document introduces guidelines for calculating and disclosing the contribution to greenhouse gas emission reductions by organizations. It provides methodologies and standards for corporate carbon accounting and climate disclosure.