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<p>Urban informal settlements face severe heat stress yet lack affordable cooling solutions. We engage two communities in Bihar, India, to test two low-cost, rapidly deployable interventions. Using over 2 million minute-level temperature observations, we find both interventions improve thermal comfort in informal dwellings: radiant foils lower indoor temperatures by 1.24 °C, whereas Mylar blankets achieve a reduction of 0.97 °C. These findings demonstrate a scalable strategy for climate adaptation in vulnerable urban communities.</p>

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Low-cost interventions for heat stress mitigation in urban informal settlements

  • 期刊论文

  • 发表日期：

    2026年1月7日

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  • Yu Qian Ang,
  • Sparsh,
  • Tao Wang,
  • Lup Wai Chew

摘要

Urban informal settlements face severe heat stress yet lack affordable cooling solutions. We engage two communities in Bihar, India, to test two low-cost, rapidly deployable interventions. Using over 2 million minute-level temperature observations, we find both interventions improve thermal comfort in informal dwellings: radiant foils lower indoor temperatures by 1.24 °C, whereas Mylar blankets achieve a reduction of 0.97 °C. These findings demonstrate a scalable strategy for climate adaptation in vulnerable urban communities.