The historic city of Philadelphia hasn't been known for its skyline in a long time. Now, some developers want to change that with a proposal to construct what would become the tallest building in the Western Hemisphere and the second-tallest building in the world, standing at 1,500 feet, with a very-high degree of energy and water efficiency.
World's Second Tallest Building To Be Green?
World's Second Tallest Building To Be Green?
(via www.thedailygreen.com)
Submitted by socialpyramid on Mon, 2008-03-17 15:50. | Tags: architecture | american commerce center | energy efficiency | green building | philadelphia | skyscrapers