“The darker the surface, the more the heating. Fresh asphalt reflects only 4 percent of sunlight compared to as much as 25 percent for natural grassland and up to 90 percent for a white surface such as fresh snow.” Yale

Other places have also started catching on. For example, even in 2012 in the USA, volunteers started painting tar roofs white in New York. 1 However, this is not something trending everywhere. Some places are accustomed to dark colored roofs, so even in hot climates, they are slow to change.

This change will of course be easier in places where flat roofs are more common and ready to paint, but slanted roofs have options too. For example, metal roofing is more environmentally friendly2 than shingles, is more durable, and can last longer. What is more, the reflective properties of the metal can also help cool your homes.3

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