Hard engineering methods for storm defence like sea walls and rock barriers are ineffective, expensive, and environmentally unsustainable. Preparation for hurricanes involves checking insurance, documenting home contents, educating about survival, and installing shutters and bolts. Hurricane Katrina was one of the deadliest hurricanes to hit the US, killing over 1,800 and causing $108 billion in damages by destroying levees in New Orleans amid storm surges that left millions homeless along the Gulf Coast.