Tim Halbur

The Nakagin Capsule Tower, designed in Tokyo in 1972 as part of the Japanese Metabolism movement in architecture, is facing destruction. Residents of the building have voted to demolish it and replace it with a modern structure.

Roundabouts, usually considered a quirky European development, can reduce delays at intersections by 20%, according to studies by Kansas State University.

Charles Komanoff, an economist, analyst and activist in New York, has created an elaborate spreadsheet looking at the cost of congestion to the city. His conclusion? Free transit and congestion pricing would relieve traffic.

Niles, Michigan has managed to build jobs and add businesses to its Main Street over the past five years. How did they do it? Wayne Senville of the Planning Commissioners Journal stopped by on his tour around the U.S.A.

Some have grumbled at the Obama Administration's recently-announced standards for light bulbs. But changing industry standards for lighting would have no small effect, says Mark Muro of Brookings.