What happens when your flood map is redrawn and your mortgage now requires flood insurance?
(WorldNews Environment)

After Tropical Storm Allison drenched Houston and caused billions of dollars in damages in 2001, Harris County spent tens of millions of federal dollars to redraw its floodplain maps to more accurately reflect the risks. Now, 16 years later, after Hurricane Harvey left some homes flooded for the third time in as many years, those same maps are in the crosshairs. Researchers from Rice University and Texas A&M-Galveston found that the Federal Emergency Management Agency`s 100-year floodplain maps failed to capture 75 percent of the damages from five major floods between 1999 and 2009. `What we`ve tried to show, both with this study and several others, is that it is possible to do better,` lead...