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“A cool roof is a common-sense step to combating climate change.
And to make it easier for Angelenos across the city to take this step, I am directing our Department of Building and Safety to take the necessary initial steps to adopt cool roof measures from the state’s Cal Green codes into our building code.”
Mayor Antonio Villaraigosa
(Read Full Remarks)
We heard from experts, scientists, and leaders from across the country who are making great strides towards creating affordable climate solutions for all.Below find copies of the presentations from the day’s speakers as well as more information about what Climate Resolve is doing with your help to turn Los Angeles into one cool city.
Cool Opportunity in Los Angeles – Kurt Shickman, Global Cool Cities Alliance
Research and Outreach for SoCal and Beyond – Heat Island Group, Lawrence Berkeley Natl Lab
How Cool is Your Roof – Jessica Clark, Cool Roof Rating Council
Cool Roof Incenties and CALGreen Code – Craig Tranby, LADWP
What We’re Doing
Climate Resolve is currently spearheading a project that will outfit existing low-income apartment buildings in Los Angeles with cool roofs.
We 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.
What are the benefits of a cool roof?
- Cool roofs help save you money – once installed, homes will gain less heat and will request less electricity to cool.
- Homes and buildings will have an increase in comfort and air quality, as rooms will be naturally cooler and air-conditioning will be turned on less.
- Incidents of heat-related health issues will decrease, as homes without air-conditioning will stay cooler even on the hotter days and air pollutants will be decreased overall.
- Saving money over the long-term is easier than ever as cool surfaces can extend the life of the roof, substantially reducing costs over the life of the property. By using less energy, you are reducing the amount of greenhouse gases that are released into the atmosphere.
What You Can Do