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The Union of Concerned Scientists identifies numerous Florida communities at risk of chronic flooding—defined as high tides flooding 10% or more of usable non-wetland area at least 26 times per year. Under an intermediate sea-level rise scenario, five communities will face chronic flooding by 2035 and 53 by 2100. High-risk areas like Miami Beach and Cayo Biscayne could see 60% and 50% of their area chronically flooded by 2060, respectively. The document argues that limiting global warming to approximately 1.8°C could save between 13 and 71 Florida communities from such flooding by the end of the century. Recommended actions include updating flood risk maps, reforming insurance premiums, funding FEMA programs, and implementing population relocation strategies for chronically flooded areas.

The Union of Concerned Scientists (UCS) identifies numerous Florida communities facing 'chronic inundation'—defined as high tide flooding 10% or more of usable, non-wetland area at least 26 times per year. Under an intermediate sea level rise scenario, five communities will face this by 2035 and 53 by 2100. In a high scenario, Miami Beach and Key Biscayne could see 60% and 50% of their areas chronically inundated by 2060, respectively. The report argues that limiting global warming to approximately 1.8°C could spare between 39 and 71 Florida communities from this fate by 2100. To address these risks, UCS advocates for halting risky coastal development, enhancing disaster response frameworks like FEMA's Hazard Mitigation Grant Program, and creating new policies for managed retreat and relocation.

NAS Key West, a 5,800-acre installation providing critical training and support for US military operations, faces significant risks from rising sea levels. Projections for the Florida Keys indicate sea levels could rise between 3.8 and 6.2 feet this century, threatening land that currently sits at elevations of three feet or less. The document argues that a large gap exists between current military preparedness and these threats, calling for increased funding for high-resolution flooding models, tide gauge networks, and detailed mapping to implement long-term adaptive measures.

The Florida Keys face escalating tidal flooding due to rising sea levels, with projections suggesting Key West could experience 375 tidal flooding events annually by 2045. This threat endangers a $2.2 billion tourism industry, critical transport links like Key West International Airport and U.S. Route 1, and the region's freshwater supply. While Monroe County has implemented resilience measures, the document argues that federal funding for hazard mitigation and emissions reductions is essential to avoid long-term economic damage and habitat loss in the Everglades.

The document advocates for immediate action to combat climate change using existing technologies. It identifies fossil fuel combustion and deforestation as the primary drivers of CO2 increase and proposes five 'common sense' solutions: increasing vehicle fuel efficiency, modernizing the electricity system with renewables, improving energy efficiency in buildings, protecting forests, and increasing federal R&D for clean energy. It emphasizes that these steps would reduce emissions while saving consumers money and enhancing energy security.