Signs of increasing risk along the shore are apparent from space. Satellite photos released by NOAA show steady development of coastal lands between Texas and North Carolina. The space and weather agency lists Hillsborough County among the top 10 areas in the South in the amount of visible new development. A closer look confirms that the trend picked up in the high-altitude photos and is cause for concern. The Hillsborough coast, south of the Alafia River and west of U.S. Highway 41, has grown by 71 percent from 2000 to 2007. The more people who live in zones that must...