What a dumb straw man argument. First of all, did he actually say that? Please provide the context. Second of all, 25% by when? By 1990, by 2025 or 2500? All are very different. There's zero doubt that much of Florida will be under water if the ice caps melt, and the shorelines are slowly regressing. Potential sea level rise is easily calculated based upon the estimated volumes of water in the ice caps compared to square miles of ocean.
You continue to show complete scientific ignorance.