https://apnews.com/161c4638d88c4fe19b8797df33784815 > FLAMINGO, Florida (AP) — Grabbing a clump of vegetation to steady herself, Tiffany Troxler gingerly slides her feet along the makeshift boardwalk as she ventures out into the marsh. The boards sag, dipping her up to her knees in the tea-colored water. > “This is the treacherous part,” the Florida International University researcher says. “The water levels are up.”