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March 10, 2013

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Climate Resolve has been working to help improve the Climate Resilience of Los Angeles by promoting policies to build more “Cool Roofs” throughout the city.  A cool roof uses material that naturally reflects sunlight as opposed to absorbing the sun’s radiant energy. The result can be more than 50°F cooler on the surface of the roof during a hot summer day and can cool the interiors of buildings by several degrees Fahrenheit, reducing chances of heat-related injuries or deaths.

To promote these easy, common-sense policies, we brought together dozens of experts, scientists, and leaders from across the country who are making great strides towards creating affordable climate solutions for all. Our March, 2013 “Hot City, Cool Roofs” Conference included a keynote from then-Mayor Antonio Villaraigosa, who laid out next steps for how Cool Roofs can improve Los Angeles today, tomorrow, and over the next century.

Climate Resolve and the participants of the conference identified a key takeaway from the conference: passing a law that required all new and refurbished homes to have a “cool roof.” On December 17th, 2013, Los Angeles became the first large city to pass such a law, which was unanimously approved by LA City Council thanks to the work of Climate Resolve. You can read more about the law on our blog.

 

hccr_logo_hiresWe can feel the difference in temperature between a tree-lined street and a barren stretch of wide sidewalk. Concrete and asphalt– and in fact, most roofs too–capture the sun’s energy, holding it and slowly radiating heat back out. These kinds of surfaces contribute to the Urban Heat Island Effect. These surfaces retain heat into the night and its what keeps your energy bills high. According to a recently published UCLA report, Mid-Century Warming in the Los Angeles Region, all areas of our region are projected to get warmer while the number of “extreme heat days” is expected to increase substantially. In addition to the human health consequences of extreme heat, residents will soon be finding that they’re paying more just to keep themselves cool and comfortable.

Fortunately, there are ways to keep yourself and your home cool even as temperatures rise. One option is upgrading your standard roof to a cool roof. Cool roofs, which can be applied straight on existing roofs, are roofs that reflect solar waves back into the atmosphere rather than letting these waves be transferred as heat into the building. Made from a variety of materials, cool roofs can be applied on top of nearly any traditional roof surface, including houses, garages, or commercial buildings.

From our C-Change.LA website, Click here for ways to save money while adapting your home for a hotter climate.