Research

We map and analyze urban canopy information to help manage our community forest and prioritize tree maintenance needs to advance our city and field.

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Tree Report Card 2022

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DC Fall Colors Map

We built a map of the top five showy fall color trees in D.C. – the ginkgo, sweetgum, blackgum, linden and golden rain tree. Changing leaf color makes it even …

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i-Tree Ecosystem Analysis

i-Tree Ecosystem Analysis reveals the structure, function and value of urban forests. Trees provide enormous benefits to human health and the environment. Those natural woody plants standing tall on our …

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Trees & Income

Washington, D.C. Tree Canopy Changes from 2006-2011 and Which Neighborhoods Experienced Them. Leadership in city governments increasingly recognizes the well-known benefits of trees, and numerous cities throughout the United States …

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DC i-Tree Ecosystem Analysis Map

i-Tree is a suite of tools developed by the U.S. Forester Service that allows communities and researchers to calculate the dollar value of their urban canopies. Every five years Casey …

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Respectfully, You Can Have Both

This April, Councilmember Gray introduced legislation to exempt the Parkside development from DC’s Heritage Tree protections. Parkside is a 1.5 acre, 200-unit apartment project of City Interest Development Partners, located …