Rooftop Gardens: The Solution To Heat Waves In Cities?


Rooftop garden reduce heat
Rooftop garden

According to a recent study from NASA's Goddard Institute for Space Studies (GISS) in New York, bright rooftop gardens that reflect the light or "green roofs" loaded with plants and vegetation may help to mitigate some of the extreme city heat.

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According to the press release, the GISS study team compared satellite images of three green rooftop sites planted in Chicago in the early 2000s to those obtained between 1990 and 2011. They looked at how much the surface temperatures and vegetation at the locations had changed compared to neighbouring control sites that didn't have green roofs. 

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The findings revealed that the variety of plants utilised, as well as location and other variables, may influence the efficacy of green roofs in lowering temperatures. Green roofs might have a shallow soil foundation for low-maintenance plants or a deeper soil base for a wider variety of plant species and even trees.

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Image Credit: Chuttersnap/Unsplash

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