The heat island effect is a major problem for many big cities, and relying on air conditioning for cooling can be expensive and increase air pollutants. Several initiatives in Dakar, the capital of Senegal, look to combat the heat using environmentally friendly and sustainable solutions.
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We’ve been told which kinds of roofs (green, white, and otherwise) perform best in warm climates and are most cost-effective, but which roof performs best in cold climates?
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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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Research by a team at Arizona State University (ASU) indicates that both season and geography are critical in determining the effectiveness of adaptive technologies.
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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.
Read MoreHouses in Thailand typically have steep roofs and may benefit from new, cooler ceramic tile pigment. Credit: Wikipedia. A two-degree temperature drop in room temperature may not sound like a…
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