Urban areas have lost a staggering 21% of their tree cover in the last decade. American cities are 'turning from green into gray'.
Eric Oldar is fighting to save California's dwindling urban trees: "Oldar is a forester and a pioneer in California's tiny urban forestry program, which is tucked away with firefighters in the state Department of Forestry. He has devoted most of his 27-year career to promoting urban forests, a concept that makes all the sense in the world if we think about it, which, let's agree, not many of us do... the nation's urban areas as defined by the Census Bureau have lost 21% of their tree cover in the last decade. Viewed over longer time spans, the news is even worse. For instance, Washington, a city renowned for its blossoming cherry trees, has sacrificed 60% of its heavy tree canopy in the last generation."
Thanks to Laura Kranz
FULL STORY: No Safe Arbor in the City

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Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
New York City School Construction Authority
Village of Glen Ellyn
Central Transportation Planning Staff/Boston Region MPO
Chaddick Institute at DePaul University
Institute for Housing and Urban Development Studies (IHS)
City of Grandview
Regional Transportation Commission of Southern Nevada
Toledo-Lucas County Plan Commissions