Cool cities are sustainable cities.

Global Cool Cities Alliance helps cities, countries, and others cost-effectively save energy, improve health and quality of life, and combat climate change by reducing excess urban heat. Learn more.
Photo: Storkholm Photography

Addressing Climate Change with Cool Surfaces

Switching to cool roofs cancels the warming effect of 500 coal power plants worth of GHG emissions. Learn more about the science.
Photo: Flickr Creative Commons

Explore the Toolkit

The Cool Roofs and Cool Pavements Toolkit is an online resource to help cities, regions, organizations and building owners develop and deploy successful cool surface initiatives. Visit the Toolkit.

Cooling the world's cities with solar reflective urban surfaces is an easy, cost-effective first step toward cooling the planet.