"Green Roof Collapses in Illinois" [1]
"Green roofs have become increasingly popular in the United States as a way to beautify and insulate buildings and reduce heat pollution in urban areas, but last week one drew attention for a far different reason: it collapsed."
Henry Fountain reports in the New York Times' Green blog February 18, 2011. [2]
Technology [3]
Public [5]
Source: Green (NYT) [2], 02/21/2011