February 5, 2014, 7am PST
Researchers at the Lawrence Berkeley National Laboratory recently completed an economic analysis of white roofs versus their green and black counterparts. The debate over the relative merits of white versus green roofs is far from over, however.
November 3, 2011, 10am PDT
A recent study published by researchers at Stanford University shows how the heat island effect has little bearing on global warming and how painting roofs white actually may increase temperatures, writes David Malakoff for The Guardian.
October 12, 2009, 5am PDT
The problem with white roofs is that while they keep apartments and the atmosphere cool, come winter people want that heat to absorb. A new high-tech roofing material switches from white to black when needed.
September 26, 2009, 7am PDT
Under a new service program called NYC Cool Roofs, volunteers are painting New York's rooftops white to try to lower urban temperatures and save energy.
The Architect's Newspaper
June 2, 2009, 1pm PDT
Energy Secretary Steven Chu is the latest to get behind the idea that painting roofs and buildings white can help counter global warming.
May 20, 2009, 6am PDT
White roofs have gained cachet as a solution to the urban heat island effect. But in places where there are more cold days than hot, a white roof that reflects warming sunlight might not make the best sense, according to this piece.