The Bullitt Center in Seattle, Washington has achieved the “first” of many categories, including the first office building in the U.S. to achieve FSC Project Certification and undergo the Living Building Challenge. (Photo courtesy The Miller Hull Partnership)

The Bullitt Center in Seattle, Washington has achieved the “first” of many categories, including the first office building in the U.S. to achieve FSC Project Certification and undergo the Living Building Challenge. (Photo courtesy The Miller Hull Partnership)

The Bullitt Center in Seattle, Washington has achieved the “first” of many categories, including the first office building in the U.S. to achieve FSC Project Certification and undergo the Living Building Challenge. (Photo courtesy The Miller Hull Partnership)