April 20, 2012, 1pm PDT
Moira Quinn takes a look at Charlotte, North Carolina, where businesses and local government have teamed up to keep office buildings green as the central business district grows.
January 19, 2011, 8am PST
Officials in Ogden, Utah are considering a plan to launch an unmanned blimp to monitor the city from crime at night.
September 18, 2010, 7am PDT
With infrastructure aging, technology is increasingly relied upon to assess the safety of bridges. Many places are finding that simple monitoring devices can help save money.