Scientists from the Lawrence Berkley National Laboratory have previously established that cool roofs are the most cost-effective option for your pocketbook. Now, a group from the lab, working with Chinese researchers, has shown that the use of light-colored roofs in China would “substantially” reduce energy use and greenhouse gas emissions in regions where summer temps soar.
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Researchers at the Lawrence Berkeley Lab have found that in comparing the economic costs and benefits of three different roof types—black, white, and “green” (vegetated)—white roofs are the most cost-effective.
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