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Global Model Confirms: Cool Roofs Can Offset Carbon Dioxide Emissions and...
Can light-colored rooftops and roads really curb carbon emissions and combat global climate change? The idea has been around for years, but now, a new study by researchers at Lawrence Berkeley National...
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Berkeley Lab’s Iconic Dome Gets a New Roof—a Cool One
Paris may have the Eiffel Tower and London has its Big Ben, but Lawrence Berkeley National Laboratory has the iconic domed roof of the Advanced Light Source. Now the ALS is getting a new roof—and not...
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Efficacy of Cool Roofs Varies from City to City
While cool roofs and pavements have been found to cool the planet by preventing energy from being radiated back into the atmosphere, previous studies have not accounted for atmospheric feedbacks that...
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Berkeley Lab Project in India To Measure Impact of Pollution on Cool Roofs
With the aid of rooftop instruments, satellite images, an airplane and a balloon, the U.S. Department of Energy’s Lawrence Berkeley National Laboratory scientists are conducting the first-ever study to...
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Cool Roofs Really Can Be Cool
A recent Journal of Climate paper by Stanford’s Mark Jacobson and John Ten Hoeve (2011) on urban heat islands and cool roofs is a useful contribution to the literature. However, their results regarding...
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White, Green or Black Roofs? Berkeley Lab Report Compares Economic Payoffs
Looking strictly at the economic costs and benefits of three different roof types—black, white and “green” (or vegetated)—Lawrence Berkeley National Laboratory (Berkeley Lab) researchers have found in...
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Cool Roofs in China Can Save Energy and Reduce Emissions
Working with Chinese researchers, the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) has conducted the first comprehensive study of cool roofs in China and concluded that...
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New “Cool Roof Time Machine” Will Accelerate Cool Roof Deployment
Cool roofs can help keep buildings cool, thus lowering the building’s energy use, while also mitigating the urban heat island effect by reflecting sunlight away from buildings and cities. But as cool...
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We’re Not in Kansas Anymore: Fluorescent Ruby Red Roofs Stay as Cool as White
Berkeley Lab researchers Sharon Chen and Paul Berdahl hold up their prototype coating made from ruby powder and show synthetic ruby crystals used in early tests. (Credit: Marilyn Chung/Berkeley Lab)...
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Cool Roofs in China Offer Enhanced Benefits During Heat Waves
It is well established that white roofs can help mitigate the urban heat island effect, reflecting the sun’s energy back into space and reducing a city’s temperature under normal weather conditions. In...
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