September 17, 2012, 12pm PDT
Traditions must die hard in Detroit, where the region can't seem to shake its enduring geographic and racial divisions, reports Sarah Hulett.
August 28, 2010, 11am PDT
Richard Florida plots the geography of class on a map of Toronto to show the deep economic divisions at work in an almost "completely post industrial," city.
August 15, 2010, 7am PDT
Jay Walljasper pays a visit to Detroit, and finds an intersection where wealth and Detroit's famous urban decay live cheek-by-jowl.
March 2, 2010, 10am PST
<em>Treehugger</em> takes a look at the new bus rapid transit system in Johannesburg, South Africa, and explores some of the controversy and tension that surrounds it.