Earth-friendly buildings, cars help cities fight global warming and save money
Pittsburgh, once the gritty center of steel manufacturing, now boasts the first "green" convention center and one of the world's largest environmentally sustainable buildings: the David L. Lawrence Convention Center.
On the banks of the Allegheny River, the building taps an underground aquifer for drinking water and recycles water used in its bathrooms. Roof skylights and glass walls produce diffused light and uniform temperatures to light and heat the building naturally. The center is a striking monument to Pittsburgh's efforts to transform itself.
Pittsburgh also may soon give developers a "density bonus" if they build similar Earth-friendly projects. That could mean buildings 20% higher or larger than zoning allows.
Going green can transform the city's reputation, says Councilman William Peduto: "Nothing will be able to shed the image of Pittsburgh as a smoky city better than that."
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