洪水リスク管理のための自然ベースの解決策を資金提供するための市場ベースの手段は,富裕な地域に不釣り合いの利益をもたらす可能性があります

Bartholomew Hill¹, Tim Marjoribanks², Harriet Moore³

¹School of Natural Sciences, University of Lincoln, Lincoln, UK.

Communications earth & environment

|September 2, 2025

まとめ

洪水管理における自然ベースのソリューション (NBS) の競争入札は公平ではないかもしれません. 英語プログラムの分析は,資源配分の不平等を明らかにし,NBSの利益を損なう可能性があります.

科学分野:

環境科学
環境管理
社会経済学

背景:

競争力のある入札のような市場ベースの手段は,環境プロジェクトの資金調達に不可欠です.
自然洪水管理 (NFM) の自然ベースのソリューション (NBS) は,洪水管理と公平性を目指しています.
以前の研究では資源分配の公平性ではなく公平性に対するNBSの有効性に焦点を当てていました

研究の目的:

洪水リスク管理のためのNBSプロジェクトにおける資源配分の公平性を定量化する.
NFMの入札において,受益者の特徴 (社会経済的,地理的,洪水リスク) を調査する.
NBSの競争による入札が公平な利益分配を損なうかどうかを評価する.

主な方法:

イギリスの2つの全国的なNFMプログラムの分析
社会経済的,地理的 (農村),洪水リスクのデータを含むプロジェクトの特徴の検討
申請と資金調達段階での資源配分の量化

主要な成果:

洪水リスク管理のためのNBSプロジェクトの申請段階と資金調達段階の両方で特定された不公平性.
社会経済的,地理的,洪水リスクの要因は,プロジェクトの割り当てと資金提供に影響します.
競争による入札が既存の不平等を悪化させる可能性を示唆している.

結論:

競争による入札は,NBSの資金調達に用いられても,資源の不公平な分配につながる可能性があります.
この調査結果は,公平な環境管理のための市場ベースの手段の使用に伴う課題を明らかにしています.
市場ベースのアプローチは,NBSプロジェクトで公平な共同利益の達成を妨げる可能性があります.

キーワード:

気候変動への適応気候変動に関する政策環境経済学地理学

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