To learn more about the "Doable Cities" concept, visit these resources (in no particular order; they're all good!):     

Knight Foundation's Guide to Livable Cities (published February 17, 2015)

Gehl Architects (Representatives from Gehl Studio, Gehl's NYC office, will be in Columbus March 16 & 17 to introduce our community to People First Design. The public will be welcome for much of their work here. A schedule will be posted here as soon as it is available.)
  • People First Design (How the Design of Cities Affects the Choices that People Make) - presented by Jeff Risom, Managing Partner, Gehl Studio, at a TEDx conference on ending poverty 
8-80 Cities
The Congress for New Urbanism
Alliance for Biking and Walking
The Rise of Protected Bike Lanes in the U.S.

Smart Growth America

How Public Spaces Make Cities Work
- a TED talk by Amanda Burden, who served as New York’s chief city planner under the Bloomberg administration and led revitalization of some of the city's most familiar features — from the High Line to the Brooklyn waterfront.