Lighten Up Blog

Heat affects nearly every aspect of urban life. This forum is dedicated to better understanding how cooling cities down makes them healthier, happier, more prosperous, and more climate-friendly places to be.

Cool Roofs Perform Well in Cool Climates

Posted by gcca on October 23, 2014

Stan Graveline of Sika Sarnafil wrote a great piece defending the use of cool roofs in cooler areas of the country. He does a great job laying out the science, as well as the fact that billions of square feet of cool roofs are installed in northern areas and performing well. Check it out at  Read More…

Los Angeles White Roofs Building Code is Online

Posted by karen-smith-murphy on October 10, 2014

Speaking of useful resources… Last December, the Los Angeles City Council updated the city’s building code – which required the installation of white roofs on commercial structures – to require the installation of white roofs on new and rebuilt residential structures.  The city has put all the documents and discussion on line in their docket  Read More…

Cool Resources for Cool Cities

Posted by karen-smith-murphy on

This is just a quick reminder that we’ve put together a great resources page here on our ToolKit, and we hope you’ll explore it a little to see what else is available on reflective surfaces.  Meanwhile, here are a few of the highlights… Our guide on cool roofs and pavements is a must-read for anyone  Read More…

Study Shows How Increased Reflectivity Can Save Lives

Posted by gcca on October 8, 2014

Researchers at the Georgia Institute of Technology recently published a report, in which they took a look at past heat waves in Phoenix, AZ, Philadelphia, PA and Atlanta, GA. This study shows that by adding white roofs, reflective pavement and trees, cities can counteract temperature increases in urban areas and save lives. From an article byClimateWire  Read More…

See How White Roofs Are Taking off in South Korea (Video)

Posted by karen-smith-murphy on October 6, 2014

They’re painting their roofs white in South Korea, and we found this peppy little video to illustrate how it’s done. Take a look!