Tim Halbur

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A 2001 study showed that we can save more oil by building more fuel-efficient cars than by expanding drilling under U.S. soil or in our oceans. Deron Lovaas sees black gold in our cities and suburbs.

Architecture critic Paul Goldberger says that the real change in the last couple of decades is that high-quality design has become more mainstream, even if a lot of stuff is still "lousy."

Joe C. Stuart donated parkland to the city of Cleveland, Tennessee in 1979 under the stipulation that it be used as a place for quiet contemplation. The city has since built a bandstand and held concerts there, and Stuart's heirs aren't happy.

A proposed D.C. development would place hundreds of apartments above a store, but other projects emphasize parking, not pedestrian-friendly streets. Chicago and New York also face Walmart campaigns.