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.

Tree Report Card 2022

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 …

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 …

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 …

Urban Forestry Fellowship

The GCA Zone VI Fellowship in Urban Forestry The Garden Club of America: Founded in 1913, The Garden Club of America is a nonprofit organization comprised of 200 member clubs …

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 …

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 …