Some cities face flood threats too large for ordinary walls, pumps, or neighborhood defenses to manage alone. Engineers have answered with movable gates and immense surge barriers designed to control ...

Sandbags can help protect a home from shallow flooding during a hurricane or tropical storm, but only when they are filled, stacked and placed correctly. Used improperly, sandbags may leak, collapse ...

Add Yahoo as a preferred source to see more of our stories on Google. File photo: Residents Rich and Trisha Rio sandbag the front door of their home as winds and storm surge associated with Tropical ...