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In 2011, New York painted its black rooftops white; monitoring found its average peak summer surface temperature was 43°F lower
During summer, city rooftops can become some of the hottest surfaces in the urban landscape, absorbing sunlight for hours before releasing that heat back into the surrounding air. In 2011, New York City tested an unusually simple way to tackle the problem.
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timesofindia.indiatimes.com
Timeline cronologica
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Scientists reveal how green roofs lower rooftop temperatures by 40°F from heat traps to cooling systems
Cities have a habit of storing heat. Roads, walls and rooftops absorb sunlight during the day and slowly release it back into the surroundings after sunset, leaving built-up areas…
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In 2011, New York painted its black rooftops white; monitoring found its average peak summer surface temperature was 43°F lower
During summer, city rooftops can become some of the hottest surfaces in the urban landscape, absorbing sunlight for hours before releasing that heat back into the surrounding air.…