Florida is porous. You can build walls but they don't do much. The water will rise to cover the entire peninsula. Long before that tides and storm surge will de

Florida is porous. You can build walls but they don't do much. The water will rise to cover the entire peninsula. Long before that tides and storm surge will destroy all of the surface roads to coastal cities. I wouldn't lend money there for longer than 30years. http://geology.com/sea-level-rise/florida.shtml http://geology.com/sea-level-rise/florida.shtml