Many areas of Florida are experiencing increased tidal flooding due to sea-level rise (SLR). Florida has experienced eight to nine inches of SLR over the past 100 years.1 The roughly four and one-half inches of rise in the last 50 years has decreased the efficiency of some older stormwater systems designed to function with lower sea levels. As a result, tidal waters back up within the drainage systems and stormwater systems drain slower, causing more frequent flooding. Tens of billions of dollars of real estate in Florida are potentially at risk due to SLR and its commensurate flooding.

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