ArchDaily | Broadcasting Architecture Worldwide https://www.archdaily.com/ Sat, 18 Apr 2026 00:00:00 +0000 en-US hourly 1 https://assets.adsttc.com/doodles/archdaily-logo-feedly.svg 026CB6 https://www.archdaily.com/926203/tree-pittsburgh-headquarters-gbbn Thu, 10 Oct 2019 19:00:00 +0000 Andreas Luco https://www.archdaily.com/926203/tree-pittsburgh-headquarters-gbbn Dedicated to growing the urban forest, Tree Pittsburgh wanted a sustainable headquarters that gives employees and volunteers easy access to the 100,000 trees they nurture and plant each year. Sited on a former steel mill above the Allegheny River, the simple, open building is comprised of nine double height modules, prefabricated in nearby Clarion, PA. Using prefabricated modules reduces on-site construction waste and creates a tight thermal seal for the building.

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