An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Heat Islands

Heat Island Webcast Series

The Writing’s on the Wall: Cool Wall Research and Measures

Thursday, February 22, 2018 | 1:00–2:30 pm ET

Sponsored by

U.S. Environmental Protection Agency

Have you heard about cool walls? Lawrence Berkeley National Lab (LBNL) is working to understand how cool wall technologies can mitigate heat islands and provide a range of other benefits at the same time. This 90-minute webcast will present key results from LBNL’s recent research on the energy and environmental co-benefits of cool walls and highlight Hawaii's experience adopting cool walls into their state codes.


Register for the webcastEXIT


  • Introduction. Victoria Ludwig, U.S. EPA Heat Island Reduction Program

  • Building energy and greenhouse gas benefits. Ronnen Levinson, Lawrence Berkeley National Lab

  • Urban climate and other co-benefits. George Ban-Weiss, University of Southern California

  • Existing cool wall codes and programs. Haley Gilbert, Lawrence Berkeley National Lab

  • Hawaii’s adoption of cool wall codes and measures. Howard C. Wiig, State of Hawaii