Urban Heat Island Mitigation

Urban areas tend to be measurably warmer than surrounding rural land because dense construction materials absorb and retain heat while vegetation that would otherwise cool the surface through evaporation is largely absent. That temperature gap — sometimes several degrees Celsius — raises energy demand for cooling, worsens air quality, and makes cities less livable during heat waves, effects expected to intensify as both urbanization and global temperatures continue to rise. Researchers use satellite-derived land surface temperature data, street-level thermal measurements, and climate models to understand exactly where heat accumulates and why, while also testing interventions such as green roofs, urban forests, and reflective pavements. Active questions include how to optimize and combine these strategies across different city morphologies and climates, and how to equitably distribute cooling benefits so that the neighborhoods historically bearing the greatest heat burden see the greatest relief.

Works

67,112

Total citations

1,198,584

Keywords

Urban Heat IslandGreen RoofsLand Surface TemperatureRemote SensingUrban ClimateThermal Comfort