'Green roofs' growing more popular (CNN)
NEW YORK (AP) -- An architectural organization has unveiled a new "green" roof for its own building to showcase a trend toward environmentally-friendly technology.
The leafy rooftop of the American Society of Landscape Architects (ASLA)building in downtown Washington is a model of the techniques used increasingly to cool temperatures, filter air, and lessen the burden on sewers by absorbing rainwater.
The leafy rooftop of the American Society of Landscape Architects (ASLA)building in downtown Washington is a model of the techniques used increasingly to cool temperatures, filter air, and lessen the burden on sewers by absorbing rainwater.
Labels: green roof, sustainable construction, water quality

