June 21, 2011, 2pm PDT
Edward Glaeser adds "large-scale metropolitan farming" to a list -- which also includes historic preservation -- of barriers to densifying urban development patterns. His argument is that the latter is the greener of the two.
December 17, 2009, 5am PST
The U.S. needs a new model for denser living, says John Stillich of the Sustainable Urban Development Association. 'Newburg' is SUDA's proposed solution to the problem.