Urban heat’s overlooked fix: Greening the land upwind of cities

Anthropocene Magazine reports that strategically placed greenbelts upwind of cities could cool some of the world's biggest metropolises by nearly half a degree Celsius across at least half their area. The analysis, published in Nature Cities, draws inspiration from the traditional Chinese village design known as the mountain-water-forest framework. Researchers modeled eight cities, including Beijing, Shanghai, and Houston, and found that suburban vegetation creates a cool air mass that prevailing winds carry into the urban core. But the effect varies by city, and the approach works best where there are persistent wind pathways and space for greening, says study team member Shi-Jie Cao. The broader lesson, he adds, is to treat vegetation, wind, topography, and water as an interconnected climate-regulation system.

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