The essence of livable urban areas is their walkability, according to this new book by author Jeff Speck. Making walkability happen is relatively easy and cheap; but seeing exactly what needs to be done is the trick. The book examines the inner workings of the city, how simple decisions have cascading effects, and how we can all make the right choices for our own communities to make them more walkable.
To learn more: http://ehp.niehs.nih.gov/2012/10/climate-change-and-older-americans-state-of-the-science/