Recent surveys show a need for 40 million more small and attached homes and condos in the United States than are currently available. Speaking at the 2012 New Partners for Smart Growth Conference last week, Chris Nelson of the University of Utah said that the imbalance between the demand for smaller homes and the millions of unsold large-lot homes is dragging down the real estate market.

Learn more: http://www.utsandiego.com/news/2012/feb/02/us-overbuilt-big-houses-planners-find/