A 24-hour marathon catalogs the rich bio-diversity of New York City's Central Park.
"Biologists and enthusiastic amateurs gathered for a BioBlitz, a 24-hour-long marathon in which they count as many living things in Central Park as possible. The counting began at noon yesterday and will end at noon today, when a census of Central Park's collective life the first ever in a spot check like this, organizers say will be tallied. There were bird counters, insect counters, bat counters and fish and aquatic invertebrate counters, including a group of divers aiming to plumb the park's lakes and ponds."
Thanks to Abhijeet Chavan
FULL STORY: Roll Call in Central Park

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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
Institute for Housing and Urban Development Studies (IHS)
City of Grandview
Harvard GSD Executive Education
Regional Transportation Commission of Southern Nevada
Toledo-Lucas County Plan Commissions