Silicon Valley. Two words that conjure thoughts of the startups and venture capitalists working feverishly to define the next new thing. But that corner of California doesn't have a lock on the tech that's rocking our world.
More than 40 years ago, Chattanooga was declared the dirtiest city in America by the Environmental Protection Agency. The city cleaned up its air, revitalized its riverfront, and now has the largest and fastest broadband network in the US.Galleryby Marguerite Reardon