Mangrove forests averted an estimated $1.5 billion in storm damages during Hurricane Irma in 2017, representing a 25% savings for Florida counties that have mangroves.
Narayan, Siddharth, Christopher Thomas, Joss Matthewman, Christine C. Shepard, Laura Geselbracht, Kechi Nzerem, and Michael W. Beck. Valuing the Flood Risk Reduction Benefits of Florida’s Mangroves. The Nature Conservancy, 2019. Nature.org/content/dam/tnc/nature/en/documents/Mangrove_Report_digital_FINAL.pdf