CityStream: Seattle’s Trashy History

Did you know Seattle once burned 300 tons of trash daily? Waste disposal has come a long way. And in Seattle's case, it's now sent away! But through the years it's been buried, burned and sunk. We visited the Seattle municipal archives and dug up some dirt, revealing the city's grimy past. And despite a messy start, Seattle now has a reputation as one of the cleanest and most energy-efficient cities in the world. Brian Callanan has the story.