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It is well established that white roofs can mitigate the urban heat island effect, reflecting the sun's energy back into space and reducing a city's temperature. In a new study of Guangzhou, China, researchers found that during a heat wave, the effect is significantly more pronounced. Reflective roofs, also called cool roofs, save energy by keeping buildings cooler, thus reducing the need for air conditioning. — Science Daily
According to a new study by Berkeley lab researchers Dev Millstein, Ronnen Levinson, and Pablo Rosado, alongside Meichun Cao and Zhaohui Lin of the Institute of Atmospheric Physic in Beijing, so-called "cool roofs," or roofs painted white, substantially reduce the urban heat island effect during... View full entry
the greater L.A. area sees more additional heat than any other region, in part because of how urbanized it is. [...]
Solutions include planting more trees and bushes, painting roofs white so they don’t absorb as much heat and using lighter colored concrete on streets and sidewalks.
— scpr.org
