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May 18, 2026The Science of The Total Environment0 citationsOpen Access

City-Scale Cooling Strategies: Effectiveness Across Diverse Cities

City-scale cooling and thermal comfort: A dual-index comparison of heat mitigation strategy effectiveness across geographically-diverse cities

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Authors

MWMinn Lin WongJCJerin Benny ChalakkalKGKarina Angélica García-Pardo

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Overview

Randomized trial compares heat mitigation strategies' effectiveness in varied climates, suggesting climate-sensitive planning is essential.

Key Points

  • This research aims to analyze the effectiveness of various city-wide heat mitigation strategies across different cities to enhance thermal comfort and environmental sustainability.
  • Utilized an AH-assimilated climate model (mWRF_SG) for analysis.
  • Employed a dual-index approach assessing thermal comfort (NET) and atmospheric thermodynamics (θe).
  • Compared strategies grouped into roof-based, vegetation-based, and AH reduction categories across Madrid, Vienna, and Singapore.
  • White roofs significantly reduce daytime NET in Madrid and Vienna, but have limited impact in Singapore due to cloud cover.
  • Increasing urban vegetation fraction provides the strongest cooling effect in Singapore, contrasting with drier European cities.
  • Building efficiency improvements enhance nighttime thermal comfort in Vienna and Madrid, particularly in older buildings.

Cite This Study

Wong et al. (2026) studied this question.

synapsesocial.com/papers/6a0aac6d5ba8ef6d83b6fcafhttps://doi.org/10.1016/j.scitotenv.2026.181860
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