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エネルギー脆弱性はネットゼロ公約を妨げるか？炭素排出、エコロジカル・フットプリント、負荷容量に関する新たな証拠とネットゼロ排出への道

Does Energy Vulnerability Sabotage the Net‐Zero Pledge? New Evidence on Carbon Emissions, Ecological Footprint, and Load Capacity and the Path to Net‐Zero Emissions (原題)

Hamza Akram, Jinchao Li, Muhammad Ashar Asdullah, Tuba Rasheed, Inayat ul haq Subhani

Sustainable Development📚 査読済 / ジャーナル2026-08-18#エネルギー転換Origin: CN対象セクター: cross_sector
DOI: 10.1002/sd.71558
原典: https://doi.org/10.1002/sd.71558
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🤖 gxceed AI 要約

日本語

本研究は、40か国の1990〜2024年のパネルデータを用いて、エネルギー脆弱性（EV）がCO2排出、エコロジカル・フットプリント、負荷容量因子に与える影響を分析。エネルギー転換、R&D、環境政策の厳格さが環境持続可能性を改善する一方、EVの低減がネットゼロ達成に重要と示す。長期的な均衡関係と短期的な調整速度を明らかにし、SDGs 7, 9, 13への政策的示唆を提供。

English

This study analyzes the impact of energy vulnerability (EV) on CO2 emissions, ecological footprint, and load capacity factor using panel data from 40 countries (1990-2024). It finds that energy transition, R&D, and environmental policy stringency improve ecological performance, while reducing EV is crucial for net-zero. The results offer policy insights for SDGs 7, 9, and 13.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本のGX政策（GX推進戦略、エネルギー基本計画）において、エネルギー脆弱性の低減と環境政策の厳格化がネットゼロ達成に寄与するという実証的根拠を提供。日本のエネルギー輸入依存度の高さを踏まえ、再エネ多様化や技術革新の重要性を再確認させる内容。

In the global GX context

This paper contributes to global GX scholarship by empirically linking energy vulnerability to environmental sustainability across 40 countries, reinforcing the importance of energy transition and policy stringency for net-zero targets. It offers cross-country evidence relevant to ISSB/TCFD-aligned transition planning and climate risk assessment.

👥 読者別の含意

🔬研究者:Provides empirical evidence on the energy vulnerability-environment nexus, useful for transition risk modeling and policy evaluation.

🏢実務担当者:Highlights the role of energy diversification and R&D in reducing vulnerability, informing corporate energy strategy and disclosure.

🏛政策担当者:Offers policy insights on reducing energy vulnerability to achieve net-zero, relevant for energy and climate policy design.

📄 Abstract（原文）

ABSTRACT Energy vulnerability (EV) is a key issue in the context of sustainable development, as concerns over the achievement of net‐zero emission targets have grown stronger due to climate change, rising carbon emissions and increasing energy insecurity. The impact of EV on environmental sustainability is explored by analyzing the linkage between EV and carbon emissions (CO 2 ), ecological footprint (EF), load capacity factor (LCF), and considering the influence of energy transition (ET), research and development (R&D), urbanization (U), population growth (PG), and environmental policy stringency (EPS). The study utilizes the balanced panel data set from 1990 to 2024 for 40 countries, using the Panel Autoregressive Distributed Lag (PMG and MG Estimators) estimator to separate the long‐run and short‐run dynamics, and an Error Correction Model (ECM) to analyze the speed of adjustment to long‐run equilibrium after short‐run shocks. The findings support the hypothesis that there is a stable long‐run cointegrating relationship between the variables. In the long run, energy vulnerability significantly influences environmental sustainability, while energy transition, R&D investment, and environmental policy stringency play important roles in improving ecological performance. In the short run, the estimated error correction terms are negative and statistically significant, indicating rapid convergence toward long‐run equilibrium after temporary disturbances. The results highlight that reducing energy vulnerability through diversification of clean energy sources, strengthening technological innovation, and implementing effective environmental policies is essential for improving environmental sustainability and supporting the transition toward net‐zero emissions. These findings provide important policy insights for achieving SDG 7, SDG 9 and SDG 13.

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