The Hearst Tower. (Mike Dunn / Flickr)

Hearst Tower
959 8th Avenue
New York, NY

As written in the AIANY Design Awards issue of Oculus, Summer 2007:

With its efficient use of resources, abundant natural daylight and fresh air, and modern technologies, this 856,000-square-foot building designed by Foster + Partners and completed in 2006 is the first in New York City to receive a LEED Gold rating for its core, shell, and interiors. Most notably, it was constructed using more than 80% recycled steel. The diagrid framing uses 20% less steel than conventionally framed towers, and it was designed to consume 25% less energy than most Manhattan towers.

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