Recent News & Events

HIG researchers uncover potential for cool roofs in Chinese cities

Thursday, August 21, 2014

After three years of collaborative investigation, Ronnen Levinson and Jing Ge of LBNL's Heat Island Group co-authored a paper with Chinese researchers titled, "Cool roofs in China: Policy review, building simulations, and proof-of-concept experiments


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

Sunday, June 29, 2014

From his office in the Berkeley hills, Art Rosenfeld looks out on the heart of California's Bay Area. The 87-year-old scientist keeps a pencil and a small notebook in his breast pocket, ready to jot down a quick note or make a calculation. With these


Are cool roofs green? The answer's not black and white

Saturday, June 28, 2014

Cool roofs—those with reflectance and emissivity that make them good at keeping out the sun’s heat—are recommended widely without much regard for climate or project specifics. They’ve been adopted into multiple energy codes, including ASHRAE 90.1, the


EPA's webinar: Keeping Your Cool: How Communities Across the Country are Reducing the Heat Island Effect

Wednesday, June 18, 2014

EPA's Heat Island Reduction Program invites you to join our webcast on June 26, 2014 ; please see the details below.

Keeping Your Cool: How Communities Across the Country are Reducing the Heat Island Effect

The term "heat island" refers


Heat Island Group researcher Rosado takes 2nd place in Big Ideas@Berkeley competition

Monday, May 12, 2014

BERKELEY — Every year, thousands of students come to Berkeley with vague ambitions to change the world. The annual Big Ideas@Berkeley competition is inspiring some of them to do just that — by launching globally life-changing innovations even before


Early bird registration now open for the International Roof Coatings Conference (IRCC)

Monday, April 7, 2014

The Roof Coatings Manufacturers Association (RCMA) has opened early bird registration for the International Roof Coatings Conference (IRCC). The IRCC will take place at the Royal Sonesta Harbor Court Hotel in Baltimore, Maryland on July 14-17, 2014.


Heat Island Group's Mandel responds to EPDM Roofing Association's critical analysis of research

Sunday, April 6, 2014

In light of recent criticism of a study authored by several Heat Island Group researchers by the EPDM Roofing Association, the Heat Island Group's Benjamin Mandel (a coauthor of the study) has submitted a response to Today's Facility Manager. See below


New Heat Island Group research compares economics of white, green, and black flat roofs in the United States

Sunday, January 19, 2014

Looking strictly at the economic costs and benefits of three different roof types—black, white and "green" (or vegetated)—Lawrence Berkeley National Laboratory (Berkeley Lab) researchers have found in a new study that white roofs are the most cost-


The Heat Island Group begins the year with two new publications

Tuesday, January 14, 2014

Two new papers to be published in early 2014 showcase recent Heat Island Group research efforts to improve the measurement and prediction of roofing albedo.

A 13-author study titled "Soiling of building envelope surfaces and its effect on solar


Cooling Los Angeles, from the roof down (A|N blog)

Tuesday, December 31, 2013

What's the coolest place in Los Angeles? It may be right over your head. Starting in 2014, thanks to an update of the Municipal Building Code, all new or refurbished buildings will be equipped with "cool roofs." A cool roof is built of reflective