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.

U.S. Dept. of Energy Releases New Video on Cool Roofs

Posted by karen-smith-murphy on August 15, 2014

The U.S. Department of Energy just came out with this handy 2 minute video. It explains how the urban heat island effect works, and shows how cool roofs are a simple and economical way to cool things down in your city on a hot day. This edition of Energy 101 takes a look at how  Read More…

And the Heat Goes on – Another Deadly Heat Wave Hits Japan

Posted by karen-smith-murphy on August 4, 2014

Barely a year after extreme heat killed 17 and sent more than 9,800 people to the hospital, Japan has been hit with another heat wave.  This most recent extreme heat event killed 11 and sent 1,900 to hospitals, and broke heat records in 14 Japanese cities. Other cities around the world have also been hit  Read More…

Catch GGCA’s Own Kurt Shickman on WAMU’s Metro Connection

Posted by karen-smith-murphy on August 1, 2014

Johnathan Wilson, environmental reporter for WAMU (a public radio station in Washington, DC) recently spoke with GCCA Executive Director, Kurt Shickman about the dangers of rising urban temperatures.  Kurt explained how reflective surfaces and increased vegetation help save lives in extreme heat events. “We’ve found that on the average heat wave that lasts about four  Read More…

4 ways your city can be cooler next summer

Posted by virginiahewitt on

This summer was a scorcher. Heat waves repeatedly struck the Midwest and South, sparing only sections of the Northeast. All of California is still in a drought. Cities were especially hot due to their concentration of buildings and human activity, a phenomenon called the urban heat island effect. At times, it may have felt impossible to beat  Read More…

Cities Now Contain Over Half the World’s Population

Posted by karen-smith-murphy on July 24, 2014

Hot summer days can often be sticky and miserable in an urban heat island.  Dark surfaces, lack of shade trees and climate-driven heat events mean higher summer temperatures and prolonged heat waves.  Add to that the growing population in many of the world’s mega-cities, and winter weather is looking better and better! The United Nations  Read More…