インドにおける大気汚染基準の達成による死亡率と経済的利益
Paramita Sinha1, Emily Decker1, Rishi Dey1
1RTI International, Durham, NC 27713-2852.
まとめ
インドの大気汚染を減らすことは,命を救うことと経済を活性化することにつながります. クリーンな屋外空気 (PM2.5) と,屋内 (家庭用空気汚染) を削減する政策を組み合わせることで,健康と経済的にも大きな利益が得られます.
科学分野:
- 環境科学 環境科学
- 公共衛生は公衆衛生である.
- エピデミオロジー エピデミオロジー
背景:
- 粒子状物質 (PM2.5) の汚染は,インドで重大な健康リスクをもたらしています.
- 2019年,インドの人口の70%以上が推奨PM2.5レベルを超えており,家庭の56%が調理のために固体燃料に依存しています.
研究 の 目的:
- インドにおける環境PM2.5および家庭用空気汚染の削減による健康上の利益を評価する.
- 家庭内の大気汚染を考慮して,国家およびWHOの空気質基準を満たすことによる死亡率の減少と経済的利益を評価する.
主な方法:
- インドとWHOの基準にPM2.5レベルを下げることによる死亡率の減少による健康上の利益のモデリング.
- 組み合わせた政策の影響を分析する:環境基準を達成し,調理用の固体燃料の使用を50%削減する.
- 統計的な寿命 (VSL) 単位による価値を用いて経済的利益を推定する.
主要な成果:
- 年間死亡率の減少は,30万件以上 (インド標準) から67万5千件 (WHO15μg/m3標準) に及ぶ.
- 組み合わせた政策は,インドのGDPの2.2%から4.9%の経済的利益をもたらします.
- 環境基準の影響は,曝露-反応関数の凸性による家庭用空気汚染によって緩和されます.
結論:
- 周囲のPM2.5と家庭内の大気汚染の削減は,健康と経済的利益の相乗効果をもたらします.
- 家庭での大気汚染に対処する政策は,環境空気の品質基準の有効性を最大化するために不可欠です.
- 統合された戦略は,インドの死亡率の大幅な減少と経済的利益のために不可欠です.
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