One World Trade Center is officially one of the world's greenest skyscrapers - Curbed NY

Despite prior setbacks, the 1,776-foot tower was able to achieve gold certification through its diverse range of sustainable features incorporated into its construction, design, and daily operation.

3 World Trade Center

One World Trade, Tag

New York's One World Trade Center deemed tallest U.S. skyscraper - Grand Forks Herald

Five World Trade Center's 900-Foot-Tall Redesign by Kohn Pedersen Fox Revealed, in Manhattan's Financial District - New York YIMBY

Council on Tall Buildings Crowns 1 WTC Tallest Building in U.S.

One World Trade Center - Wikipedia

The World Trade Center Rising

Why 1 WTC Broke Promise To Be One Of The Greenest Skyscrapers In America - Gothamist

One World Trade Center Freedom Tower - Curbed NY

One World Trade Center - Wikipedia

Ground Zero - Then and Now

One World Trade Center officially awarded LEED Gold certification