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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This paper compares renewable energy adoption under Japan's RPS and FIT schemes. It quantitatively evaluates the effectiveness and operational challenges of both systems, offering insights for policy improvement.

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This paper explains the methodology for calculating and verifying emissions under Japan's GX-ETS (Emissions Trading System). It provides practical guidance for participants, outlining key points for accurate reporting and ensuring credibili…

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This paper presents a growth-oriented carbon pricing concept compatible with economic expansion. It explores policy design that aligns with Japan's GX strategy, aiming to incentivize decarbonization while fostering sustainable growth.

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This paper provides an overview of domestic and international trends on climate change and introduces initiatives in Japan's GX League. It explains government-led GX policies and voluntary corporate actions.

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This paper provides an overview of the current state and expected role of financial markets in expanding GX investment in Japan. It organizes financial market functions from the perspectives of capital supply, risk assessment, and disclosur…

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This paper examines challenges in assurance (third-party verification) of sustainability information. It identifies practical issues such as scope, methodology, quality, and regulatory alignment, and suggests future directions.

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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.

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This paper explores using consumer-side electricity resources (such as solar PV and storage batteries) to provide grid balancing services toward carbon neutrality. It proposes mechanisms for creating and distributing adjustment power, demon…

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This paper examines whether Japan's 6th Energy Basic Plan can achieve carbon neutrality. It evaluates key measures such as expanding renewable energy and utilizing nuclear power, pointing out challenges.

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This paper outlines the Daigas Group's (centered on Osaka Gas) efforts towards carbon neutrality. It likely covers strategies, targets, progress, and technology development. It offers insights as a case study of decarbonization by a Japanes…

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This paper reviews the recent amendments to Japan's Act on Promotion of Global Warming Countermeasures, which legally enshrine the 2050 carbon neutrality target, promote local renewable energy, and strengthen corporate emissions disclosure.…

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This paper analyzes the challenges and prospects of GHG reduction management under Japan's carbon neutrality policy, identifying key issues and proposing improvements for effective policy implementation.

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This paper discusses challenges and prospects in GHG reduction management within Japan's carbon neutrality policy. It analyzes management barriers to achieving specific reduction targets and measures to enhance policy effectiveness, focusin…

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This paper analyzes the paradigm shift in recognizing climate change issues and explores why the world has turned toward decarbonization. It examines how the unique sense of crisis and economic opportunities of climate change, distinct from…