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.

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

25 Feet Above Street Level, World Trade Center's Liberty Park Opens Today

One World Trade Center - Wikipedia

Ground Zero - Then and Now

New Two World Trade Center renders reveal a mirrored revamp

NYC - FiDi: One World Trade Center, One World Trade Center,…

One World Trade Center: Most Up-to-Date Encyclopedia, News & Reviews

One World Trade Center Freedom Tower - Curbed NY

One World Trade Center - Wikipedia

One World Trade Center in New York reaches final height of 1,776 feet tallDilemma X

One World Trade Center in New York - Explore the Tallest Building in New York and the Western Hemisphere – Go Guides

New Skyscraper, Built to Be an Environmental Marvel, Is Already Dated - The New York Times

One World Trade Center - Wikipedia

One World Trade Center - Wikipedia

One World Trade Center - Wikipedia