Recent News & Events

Submit an abstract for the 4th International Conference on Countermeasures to Urban Heat Islands (IC2UHI) in Singapore, 30 May - 1 June 2016

Friday, June 19, 2015

The online abstract submission is now OPEN for the 4th IC2UHI, to be held in Singapore 30 May - 1 June 2016. Please visit www.ic2uhi2016.org to submit your abstract.

New ‘Cool Roof Time Machine’ Will Accelerate Cool Roof Deployment

Thursday, April 16, 2015

A collaboration led by Lab scientists has established a method to simulate in the lab the soiling and weathering of roofing material, reproducing in only a few days the solar reflectance of roofing products naturally aged for three years. Now this

HIG scientist, Ronnen Levinson, featured in new video describing cool roofs as one of the Lab's 8 Big Ideas

Thursday, November 20, 2014

Berkeley Lab scientists, including the Heat Island Group's Dr. Ronnen Levinson, each presented one of the Lab's 8 Big Ideas in front of a packed house in Oakland, CA on 8 October, 2014. His presentation, "Cool Roofs through Time and Space", featured

USA TODAY cites California's cool pavements bill (AB296) as leading example of nation's best climate preparedness

Wednesday, October 8, 2014

California has completed the highest number of goals to prepare for climate change, according to a first-of-its-kind 50-state tracking tool unveiled Thursday. California has been a leader, achieving 48 or 14% of its 345 self-described climate goals,

HIG members use aerial imagery to map roof albedo across entire cities

Sunday, September 28, 2014

How cool is your roof? If you live in the California cities of Bakersfield, Long Beach, Los Angeles, San Francisco, or San Jose, you may be able to find out.

Scientists from the Department of Energy’s Lawrence Berkeley National Laboratory (

Ronnen Levinson discusses the new interactive rooftop reflectance map with Southern California Public Radio listeners

Sunday, September 28, 2014

Berkeley Lab scientists, including the Heat Island Group's Dr. Ronnen Levinson, each presented one of the Lab's 8 Big Ideas in front of a packed house in Oakland, CA on 8 October, 2014. His presentation, "Cool Roofs through Time and Space", featured

Top 35 Global Innovator: George Ban-Weiss taps his creativity to distinguish himself academically and musically.

Thursday, September 11, 2014

Former Heat Island Group member, George Ban-Weiss, was recognized by "MIT Technology Review" as one of the world's "35 top innovators under the age of 35" for his research that is informing CA policy on climate change and urban air quality.

The Heat Island Group developed a new web portal for local governments to learn more about Cool Communities on CoolCalifornia.org

Thursday, September 11, 2014

The Heat Island Group, with support from the California Energy Commission and California Air Resources Board, developed a new web portal for local governments to learn more about the science and implementation of cool community strategies in California

HIG researchers uncover potential for cool roofs in Chinese cities

Friday, August 22, 2014

After three years of collaborative investigation, Heat Island Group researchers co-authored a paper with Chinese researchers find positive results for white roofs in the four hot-summer cities. The authors conclude that cool roofs should be credited or

Cool roofs offer a salve for hot cities — and the climate, too

Monday, June 30, 2014

From his office in the Berkeley hills, Art Rosenfeld looks out on the heart of California’s Bay Area. While his vantage point has remained unchanged since 1955, the view outside his window has changed considerably--many buildings now boast noticeably

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