Hurricane Ida — which caused a citywide power outage and some flooding — was one of the largest storms to hit New Orleans since Katrina in 2005. University of Washington civil engineer Michael Motley explains how the redesigned levee system — which helped protect against extremely destructive flooding — works. More: https://www.washington.edu/news/2021/09/02/uw-engineer-explains-how-redesigned-levee-system-new-orleans-helped-mitigate-hurricane-ida/ University of Washington Civil & Environmental