noun
heat island; urban heat island
Refers to the phenomenon where urban areas are significantly warmer than surrounding rural areas, often discussed in environmental and city-planning contexts.
都市部ではヒートアイランド現象が深刻化している。
The heat island effect is becoming more serious in urban areas.
ヒートアイランド対策として屋上
Rooftop greening is being promoted as a measure against heat islands.