Green roof design
Cira Green
We make infrastructure feel inevitable.
Landscape architecture and civil engineering, resolved as one.
Green roof design
Cira Green
One team, design through engineering
Landscape architecture and design-led civil engineering under one roof — one timeline, one point of contact.
Campus landscape
University of Pennsylvania
Featured / Philadelphia
Cira Center
A resilient riverside landscape that absorbs stormwater, restores habitat and gives the neighborhood a place to gather.
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The latest
Cira Green recognized for rooftop park performanceA decade of monitoring above Philadelphia
What 25 years of green roof research taught usLessons from the studio's long-term field studies
Designing campuses that manage their own stormwater