Is Carbon Capture and Storage Socially Desirable under a Net-Zero Emission Target?
炭素回収・貯留（CCS）はネットゼロ排出目標の下で社会的に望ましいか？ (AI 翻訳)
Yiwen Chen, Nora Paulus, Xi Wan, Benteng Zou
🤖 gxceed AI 要約
日本語
この論文は、ネットゼロ目標（T年）を外生的に固定した場合のCCSの役割を分析。CCSベースと再生可能エネルギーのみの移行経路を、T時点の継承される汚染被害の差で比較する閉形式の厚生基準を導出。ネットゼロ日付、学習効果、貯留容量要件という3つの政策関連次元で結果を提示し、CCSが再生可能のみの経路を支配する条件を示す。
English
This paper studies the social desirability of Carbon Capture and Storage (CCS) under an exogenous net-zero emission target. It derives a closed-form welfare criterion comparing CCS-based and renewable-only transition pathways based on inherited pollution damages at the target date. Results show CCS dominates renewables when transition gains offset higher post-transition damages, providing decision-relevant thresholds for net-zero planning and CCS deployment.
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文脈では、CCSは2050年カーボンニュートラル達成に向けた重要な技術と位置づけられている。本論文は、CCS導入の社会的厚生を定量的に比較する手法を提供し、日本のCCS政策（例：CCS事業法、貯留適地選定）の費用便益分析に示唆を与える。特に、線形二次モデルによる閾値の導出は、日本の長期電源構成検討におけるCCS導入判断の参考となる。
In the global GX context
In the global GX context, CCS is a critical component of many net-zero pathways but faces debates over its social desirability. This paper provides a rigorous welfare comparison between CCS and renewables, offering a framework to evaluate trade-offs between transition emissions and long-term storage risks. It complements ongoing efforts by the IPCC, IEA, and national climate strategies to determine the optimal role of CCS in achieving net-zero by mid-century.
👥 読者別の含意
🔬研究者:Provides a formal welfare criterion for comparing CCS and renewable paths under net-zero constraints, useful for modeling integrated assessment and climate policy design.
🏢実務担当者:Offers decision thresholds for CCS investment: when transition gains from CCS outweigh post-transition damages due to stored carbon, for consideration in corporate net-zero planning.
🏛政策担当者:Delivers policy-relevant insights on the timing of CCS deployment and required storage capacity, informing national net-zero strategies like Japan's Carbon Neutrality Roadmap.
📄 Abstract（原文）
Achieving Net-Zero emissions by 2050, in line with the Paris Agreement, has emerged as a binding constraint for climate policy, yet most dynamic models treat carbon neutrality as an endogenous outcome. This paper studies the role of Carbon Capture and Storage (CCS), as a representative case of abatement under terminal constraints, when the deadline for reaching the net-zero target (T) is exogenously fixed. We derive a closed-form welfare criterion that compares CCS-based and renewable-only transition pathways through the difference in inherited pollution damages at T. This criterion delivers policy-relevant results along three dimensions: (i) the net-zero date; (ii) learning-by-doing effects on CCS cost trajectories; and (iii) storage capacity requirements needed for CCS to remain welfare-desirable. Using a linear–quadratic framework calibrated to different target dates, we show that CCS dominates a renewable-only pathway whenever its transition period welfare gains are large enough to offset the higher post-transition climate damages it generates relative to renewables. We therefore derive a general welfare criterion linking transition emissions to terminal carbon stock under an exogenously imposed net-zero constraint. Our results provide decision-relevant thresholds for net-zero planning, complementing recent work on the timing of CCS deployment and the feasibility of negative emissions.
🔗 Provenance — このレコードを発見したソース
- openalex https://orbilu.uni.lu/handle/10993/68481first seen 2026-05-31 05:25:42 · last seen 2026-05-31 05:25:48
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