DEFINITION
a simple description of the element

AKA
other names, related ideas, etc.

PERFORMANCE CRITERIA
how is it measured? what are the criteria for its design or planning?

ILLUSTRATION
a diagram or drawing that demonstrates the basic pattern or concept

CASE STUDIES
links to separate pages documenting specific places or projects where this element is on display

ADDITIONAL RESOURCES
Access Article: The Intersection of Trees and Safety by Elizabeth MacDonald
Kathleen Wolf's Urban Forestry and Community Benefits Presentation to the UNRI
Urban Forestry in New York Presentation to UNRI
San Francisco Bay Area State of the Urban Forest
Why Street Trees Help Streets
US Forest Service Urban & Community Forestry Program
Center for Urban Forest Research (USFS)
Shade Crusade: Why City Trees are Good Medicine
Top Ten Trees for Fighting Greenhouse Gases
Street Trees Shown to Reduce Asthma Rates in NYC
James Urban Presentation on Trees from Toronto
Tree Carbon Calculator for California
US Forest Service Urban Tree Risk Management
22 Benefits of Urban Street TreesAlliance for Community Trees (good webcasts)
Kathleen Wolf's University of Washington Website for Research on the Urban Forest and a recent presentation by Kathleen
Trees in the city: Valuing street trees in Portland, Oregon