グリーンビルディングの格付けシステムにおける脱炭素化: 具体化および運用的な炭素クレジットの体系的なレビュー
Wai Lam Ng1, Kyle Sebastian Mulya2, Keng Yinn Wong3
1Carbon Neutrality and Climate Change Thrust, Society Hub, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, 511453, China; School of Energy and Chemical Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, Sepang, 43900, Selangor, Malaysia.
Journal of environmental management
|February 17, 2026
まとめ
グリーン・ビルディング・レーティング・システム (GBRS) は,建設における炭素を無視することが多い. この研究は,GBRSをマッピングし,ほとんどの優先順位がオペレーションカーボンであり,終生デカーボニゼーションの努力を妨げていることを発見しました.
科学分野:
- 環境科学 環境科学
- 持続可能な建築 持続可能な建築
- ビルディング・パフォーマンス
背景:
- 建設業界は,世界の炭素排出量に大きく貢献しています.
- グリーンビルディング・レーティング・システム (GBRS) は,持続可能性を促進することを目的としていますが,ライフカラー全体の炭素を不均等に扱います.
- オペレーションカルボンは,既存のGBRSにおいて,体現した炭素よりも優先されることが多い.
研究 の 目的:
- GBRS基準の標準化されたライフサイクルカーボンマッピングを実施する.
- ライフサイクル全体の炭素会計とガバナンスに関するGBRSの能力を評価する.
- GBRS.における組み込み炭素と運用炭素の相対的な重量を分析する.
主な方法:
- 主要なGBRSにおける炭素関連クレジットの体系的なレビューとマッピング.
- LCAの境界定義,ガバナンス,検証メカニズムの分析.
- 組み込まれていると運用中の炭素加重の比較評価.
主要な成果:
- ほとんどのGBRSは,実用的な炭素を優先し,実体化された炭素を過小評価しています.
- DGNBは,炭素クレジットの50%以上を体化した排出量に割り当てている唯一のシステムです.
- 境界範囲,EPDの使用,およびガバナンスにおいて,重要なシステム間差異が存在する.
結論:
- GBRSは,Cradle-to-site LCAを統合し,材料の透明性を改善するために強化する必要があります.
- 強化されたGBRSは,建築環境における終生デカーボニゼーション戦略をより良くサポートすることができます.
- このレビューは,ビルディングの脱炭素化を進めるために,GBRSを改善するための洞察を提供します.
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