2011 @CodeforAmerica Fellows - Aaron Ogle is one of the twenty found on this link...
"Walkability is the first step to urban sustainability. It makes our neighborhoods more economically robust, reduces our impact on the environment, and improves the health of our citizens. Walkability is about making our cities better.
Walkshed can help you find a walkable way through the urban jungle. Our heat maps can help you pinpoint walkable neighborhoods that are close to the places you care about."