メタン排出の理解と削減：人為的・自然起源と新規緩和技術への洞察
Understanding and reducing methane emissions: insights into anthropogenic, natural sources, and novel mitigation techniques (原題)
Farida Rahayu, Prima Diarini Riajaya, Zainal Arifin, Fitriningdyah Tri Kadarwati, Apip Amtiullah, Baswarsiati Baswarsiati, Saefudin Saefudin, Chirag Chopra, Kasim Sakran Abass, Rafael Sílvio Bonilha Pinheiro, Atif Khurshid Wani, Juliana Heloisa Pinê Américo‐Pinheiro
🤖 gxceed AI 要約
日本語
メタンはCO2に次ぐ温暖化寄与を持つ短寿命GHGで、GWP100はCO2の約27〜30倍。本レビューは化石燃料採掘・農業（特に反芻動物の腸内発酵）・廃棄物管理を主要な人為排出源と特定し、セクター別の削減ポテンシャルとコスト効率のばらつきを整理する。先進モニタリング、飼料添加物、バイオ炭、漏洩検知、微生物介入などの新技術を評価するが、コスト・インフラ・拡張性の課題を指摘。即時の削減は大気質・公衆衛生の共便益とSDGs 13/7/12に資すると論じる。
English
Methane is a potent short-lived GHG with GWP100 ~27-30x CO2, making rapid mitigation a near-term priority. This review synthesizes anthropogenic and natural sources—fossil fuel extraction, agriculture (enteric fermentation), and waste—and assesses sector-specific mitigation potential and cost-effectiveness. It critically evaluates emerging technologies (advanced monitoring, feed additives, biochar, leak detection, microbial interventions) while flagging cost, infrastructure, and scalability barriers, and stresses co-benefits for air quality and SDGs 13, 7, 12.
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
日本ではGX推進法・成長志向型カーボンプライシングや企業のScope 1メタン管理、農業分野の削減技術実装に関わる基礎的知見を提供する。ただし開示制度（SSBJ等）との直接接続は薄い。
In the global GX context
Methane is central to the Global Methane Pledge and near-term climate strategy under IPCC AR6; the review's sectoral prioritization and technology assessment inform transition planning and disclosure of Scope 1 methane, though it does not engage ISSB/CSRD frameworks directly.
👥 読者別の含意
🔬研究者:メタン削減技術の効果・コスト・拡張性の比較整理として、セクター別研究の出発点になる。
🏢実務担当者:化石燃料・農業・廃棄物関連企業がScope 1メタン管理と削減技術の選択肢を把握する材料になる。
🏛政策担当者:セクター別優先順位と政策統合、共便益を踏まえたメタン削減政策設計の参考になる。
📄 Abstract（原文）
Abstract Methane (CH 4 ) is a potent, short-lived greenhouse gas. Among the major well-mixed greenhouse gases, it ranks second only to carbon dioxide (CO 2 ) in its contribution to anthropogenic radiative forcing. Although methane remains in the atmosphere for approximately 12 years, its 100-year global warming potential (GWP100) is approximately 27–30 times greater than that of CO 2 (IPCC AR6), making rapid mitigation a critical near-term climate strategy. This review synthesizes current understanding of methane emissions from anthropogenic and natural sources, evaluates sector-specific mitigation potentials, and critically examines emerging reduction technologies. Fossil fuel extraction, agriculture (particularly enteric fermentation), and waste management collectively account for the majority of anthropogenic methane emissions, with significant variability in mitigation feasibility and cost-effectiveness. Advanced methane monitoring systems, feed additives, biochar applications, leak detection technologies, and microbial interventions show considerable mitigation potential but face technical limitations, high implementation costs, infrastructure barriers, and scalability challenges. We emphasize sectoral prioritization, policy integration, and trade-offs associated with mitigation strategies. Immediate methane reductions offer substantial co-benefits, including improved air quality and public health, while directly supporting Sustainable Development Goals (SDGs 13, 7, and 12). Strategic, evidence-based methane mitigation represents one of the most effective pathways to limit near-term warming and accelerate climate stabilization.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1007/s42398-026-00477-wfirst seen 2026-11-07 04:42:18
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